143 Mainframe Engineer jobs in Ireland

Systems Engineer - Linux / Production

Location:
Ireland (Remote)

Salary:
€55, ,000 plus bonus and benefits

About the Role

We're working with a leading global enterprise to hire a
Systems Engineer
with a
Linux-first focus
. This role will see you supporting and optimising critical production systems while driving automation and reliability across infrastructure. Windows experience is welcomed, but the emphasis here is on strong Linux administration and automation skills.

Key Responsibilities

• Administer and support
  Linux production systems
  with a focus on performance, resilience, and security.
• Deliver
  automation and Infrastructure as Code
  solutions (Ansible, Terraform, scripting).
• Troubleshoot and optimise systems across compute, storage, and networking.
• Collaborate with cross-functional teams to maintain enterprise-scale infrastructure.
• Document procedures, build standards, and contribute to operational excellence.

Candidate Profile

• Strong
  Linux administration
  skills; Windows experience is a bonus.
• Proficiency with
  scripting/automation
  (Bash, Python, PowerShell).
• Knowledge of
  virtualisation (VMware), storage (SAN/NAS), and networking
  .
• Experience in high-uptime, production-critical environments.

What's on Offer

• Opportunity to work on
  mission-critical, global infrastructure
  .
• Exposure to Linux-first engineering and cutting-edge automation tools.
• Competitive salary, benefits, and clear career progression.

**Please note - this role does not offer visa sponsorship**

Get in touch for full info - submit your CV, or contact Carol Donnelly on

MBRYONICS is at the forefront of free space optical communications. Our product portfolio covers a wide range of emerging technologies from photonic integrated circuits to advanced optical systems and embedded software solutions. Our optical communications systems are integrated and deployed in satellite communications systems and enable the Internet in Space. Our work is exciting and challenging and is at the forefront of the technology domains. As part of our expansion, we are currently looking for a suitably motivated - Systems Engineer - to join our group.

You will play a fundamental role in ensuring the quality and reliability of our products: you will be responsible for planning, executing, and documenting validation activities at sub-component and system design and integration levels. This includes designing and executing systems design, requirements analysis, test plans, and preparing validation and verification procedures. You will also work closely with the product teams (Embedded Software, Electronics, Mechatronics, Photonics, Optics and Assembly-Integration-Test) and project managers to ensure that systems are appropriately specified and meet all relevant specifications and requirements. Our products and projects are for both space and terrestrial applications, requiring a high level of quality assurance and planning.

What you'll do:

• Develop and execute design and validation plans for complex hardware and software systems
• Design, develop, and execute test cases to validate system functionality, performance, reliability, and usability
• Prepare comprehensive reports that clearly communicate design and validation, and analyse the performance and progress against requirements to report any issues
• Stay up-to-date on industry trends, testing methodologies, and tools, while contributing to the improvement of systems and validation processes and procedures
• Systems component identification, specification and selection suitable for aerospace/space deployment
• Specification to relevant ISO/IEC/JEDEC standards, with specific reference to aerospace standards from NASA/ECSS, including inclusion of new and emerging standards.
• Creation and specification of power and communications link budgets for (sub)systems
• Development of (sub)systems from prototype to aerospace-qualified products
• Work closely with interdisciplinary mechanical, embedded, photonic and optical teams to design for mechanically and thermally constrained environments with strict optical requirements
• Support and systems development for Design for Manufacture
• Liaise with sponsors, contractors, satellite bus manufacturers, and sub-contractors for requirements collection and design specification and conformance.
• Documentation and review of design, test validation of (sub)system designs
• Specification and verification of complex systems for tenders and bids, and on-going projects.
• Willingness to participate with design engineering and test teams across diverse range of disciplines

Who you are:

• BE or similar with postgraduate or industry qualifications in systems engineering
• Proven industry experience
• Experience in system architectural design and application of systems engineering practices
• Experience with ECSS/NASA standards and their applicability to design, integration and validation processes
• Familiarity with Agile development methodology and SCRUM framework
• Experience in Model-based philosophy of complex systems, and model simulation tools
• Experience with Python or other scripting, modelling or software coding to validate concepts
• Experience with typical design and manufacturing test equipment/systems

Desirable

• Design experience in a related space, software, aerospace, defence or automotive industry
• Experience with aerospace radiation hardened component selection, component derating, custody and testing practices
• Experience developing electrical power models and budgets, thermal modelling
• Experience developing noise models and link budgets for communication systems
• Experience with satellite integration and test
• Experience with ISO 9000 series quality assurance systems
• Knowledge of best practice in Design for Manufacture
• Software inter-networking and distributed systems design
• A familiarity with engineering software e.g ANSYS, SolidWorks, Fusion360, Altium, Cadence, Zemax, Simulink etc
• A familiarity with orbital systems design software, e.g. SDK, Matlab Satellite Communications Toolbox, Basilisk, etc.
• Leadership skills

What's In It For You

Career Growth: Contribute to a world-class space-age communication program while developing your leadership skills in a state-of-the-art manufacturing environment

Collaboration: Work with talented professionals across disciplines to drive impactful solutions

Innovation: Be part of a team pioneering advancements in manufacturing engineering for cutting-edge FSO systems

Work-Life Balance: Enjoy flexible work schedules and a comprehensive benefits package

If you're ready to take your career to new heights and drive the future of space-age communication, apply now and join the Mbryonics team as one of our Systems Engineers.

Diversity, Inclusion and Equal Opportunities

Core ethical values, diversity and inclusion are invaluable to Mbryonics' business success. We recognise that the broad perspectives that result from recruiting, developing and retaining a globally diverse workforce promotes innovation and helps us succeed as a business enterprise. It is the policy and practice of the Company to provide equal opportunities to all employees and applicants. The Company will not tolerate discrimination on the basis of gender, race, religion, sexual orientation, gender identity, civil status, family status, disability, age, or membership of the Traveller community.

Position Name: Systems Engineer- Hybrid
Reports to: Client Technology Manager
Location/Type: Dublin, Ireland
Atlas Technica's mission is to shoulder IT management, user support, and cybersecurity for our clients, who are hedge funds and other investment firms. Founded in 2016, we have grown 100% year over year through our uncompromising focus on service.

We value ownership, execution, growth, intelligence, and camaraderie. We are looking for people who share our Core Values, thrive, and contribute to this environment while putting the customer first. At Atlas Technica, we offer a competitive salary, comprehensive benefits, and great perks to our global Team. We strive to maintain a professional yet friendly environment while promoting professional and career development for our Team Members. Join Atlas Technica now

We are seeking a Systems Engineer to join our rapidly growing organization. This is a highly technical role providing excellent career development opportunities for the successful candidate. You will be working with other Systems Engineers and Sr. Systems Engineers in a very collaborative environment which allows for very quick technical growth.

Responsibilities

• Perform IT Support services to users onsite
• Use of a ticketing system to manage support queries
• Maintain documentation and comply with rules and guidelines of the organization
• Adherence to strict change control procedures
• Opportunity to get involved in 3rd line support and project work

Requirements

• 2 years of IT Experience (Desktop Support, Systems Engineering, Systems Administration)
• End User Support / Desktop Support: Microsoft Windows, Microsoft Office, desktop, and mobile device troubleshooting
• Strong verbal and written communication skills
• Support of primarily Microsoft 365 stack (Exchange Online, SharePoint Online, Intune, Azure AD)
• Systems Administration: Knowledge of Microsoft Windows Server Platforms as well as Active Directory, Group Policy, good if you are familiar with Citrix XenApp
• Support of Sophos or similar products for endpoint threat management
• Basic understanding of virtualization platforms such as VMware or Hyper-V
• Understanding of networking: TCP/IP, LAN / DMZ / WAN, DHCP, DNS, Routing, Switching, and Firewalls
• Experience working in an MSP environment
• The candidate must be able to complete all physical requirements of the job, which include but are not limited to, the following; must be able to lift and/or carry up to 50 lbs; stand/sit for extended periods of time; push/pull; climb stairs; stoop, kneel or crouch; use fingers/hands to handle or feel; reach above head or below knee level; and the ability to work around machinery and material handling equipment.

Desirable Qualities

• Financial industry experience including familiarity with market vendor applications: Bloomberg, Thompson Reuters, FactSet, CapIQ
• Significant experience in an MSP environment, particularly utilizing the ConnectWise suite of products
• Exposure to/ability to support workloads in Azure or AWS
• Experience with vendors such as Google Workspace, Box, Dropbox, Duo, Okta, AirWatch
• Experience with and ability to support Citrix XenApp or similar products
• Experience with cybersecurity solutions such as Carbon Black, Cylance, Crowdstrike, Cyberhat
• Experience with Mimecast or other mail security gateway solutions such as IronPort or Proofpoint
• More than a basic understanding of Storage and Virtualization platforms such as Nimble, Pure Storage, NetApp, EMC, VMware, Hyper-V, XenServer

Atlas Technica is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender, sexual orientation, gender identity, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

Imagine what you could do here. At Apple, new ideas have a way of becoming extraordinary products, and services very quickly. Bring passion and dedication to your job, and there's no telling what we can accomplish together. We seek a dedicated and passionate engineer to join this amazing team - if this sounds like you, we'd love to hear from you The Apple Services Engineering (ASE) organization builds the high-performance, reliable, and scalable platforms that power Apple's services. Our Compute team designs and builds the foundational pieces of our internal cloud infrastructure. In this role, you'll collaborate with teams across Apple to engineer cutting-edge, high-performance distributed storage solutions that form the foundation of diverse cloud platforms. We're looking for a highly motivated individual with strong technical depth and communication skills, a passion for quality, and a keen eye for the details that ensure our systems are reliable and performant. Join this team, and you'll directly contribute to the storage systems powering Apple's world-renowned hardware, software, and services.

Description

As a Systems Engineer on the Cloud Storage team, you will be at the heart of developing, debugging, and maintaining the disaggregated storage software that underpins critical cloud platforms at Apple. You will: Tackle complex challenges in distributed systems to deliver reliable, scalable, and performant storage solutions. Collaborate closely with teams within ASE and across Apple to understand requirements and integrate solutions. Design, implement, test, and debug software components for our storage systems. Write high-quality, maintainable code and actively participate in code reviews. Develop and review detailed design documentation for new features and system architectures. Participate in the qualification, deployment, and monitoring of software across large-scale production clusters. Benchmark, analyze, and optimize system performance, scalability, and resiliency. Uphold the high standard of quality and reliability expected of Apple products and infrastructure.

Minimum Qualifications

• Strong systems programming skills and a deep understanding of operating system fundamentals (memory management, concurrency, I/O, networking).
• BS in Computer Science or equivalent experience, plus experience in system software development, OR an MS in Computer Science or equivalent experience.
• Solid grasp of concurrency, parallelism, and distributed systems concepts (e.g., consensus, consistency models, failure modes).
• Excellent communication skills, with the ability to articulate technical challenges and solutions clearly within the team and to stakeholders.

Preferred Qualifications

• Hands-on experience with distributed storage solutions (e.g., Ceph, ScaleIO, GlusterFS, HDFS) is highly desirable.
• Experience developing and managing applications on Kubernetes; experience writing CSI plugins is a plus.
• Familiarity with using or contributing to cloud infrastructure technologies (e.g., AWS S3/EBS, GCP Cloud Storage/Persistent Disk, OpenStack Swift/Cinder).
• Proficiency in Go (Golang) applied to systems-level development.
• Experience building software solutions in other relevant languages such as Java, C/C++, Python, or Swift.
• Experience operating and troubleshooting large-scale distributed systems.
• Strong analytical and problem-solving skills.
  A genuine enthusiasm for building high-quality, robust systems.

Submit CV

Role Overview
We are seeking a skilled and proactive
Systems Engineer
to join Creative Technology Ireland. This is a hands-on technical role where you'll collaborate closely with Sales, Design, and Project Management teams to deliver high-quality broadcast and AV solutions for a wide range of clients.

You'll be involved in the full project lifecycle—from technical design and tender support through to installation, commissioning, and ongoing technical support. This role would suit someone who is passionate about AV and broadcast technologies, enjoy problem-solving, and thrives in a collaborative environment.

Key Responsibilities

• Collaborate with Sales and Design Teams: Develop technical solutions tailored to customer needs.
• Tender Submissions: Assist in completing tender submissions with the Sales and Design teams.
• Technical Design Development: Create detailed technical designs, including system schematics, cable schedules, materials requirements, and project documentation.
• Project Planning: Develop project plans and schedules in collaboration with the Project Management team.
• Installation Supervision: Oversee and assist installation teams to ensure high-quality installations.
• On-Site Coordination: Liaise with on-site managers, technical staff, and building contractors as required.
• Equipment Configuration: Configure broadcast, AV, and IT equipment according to system design and customer requirements.
• Customer Demonstrations: Demonstrate system functions to customers and ensure satisfaction with installation and functionality.
• Equipment Tracking: Track serial numbers, MAC addresses, firmware, and details of installed equipment.
• Commissioning Forms: Complete commissioning forms for installed equipment.
• Quality Assurance: Ensure work is completed to a consistently high standard and request revisits or fixes if required.
• Issue Reporting: Advise of any on-site issues and report to the project manager or site manager.
• Technical Support: Provide ongoing technical support for systems as required, including potential 'on-call' duties.

Required
Qualifications & Skills

• 3rd level qualification in engineering, science, or a technical discipline—or equivalent hands-on experience.

Desirable

• AVIXA certification or similar AV systems qualification.
• Networking certifications such as CCNA.
• Experience in broadcast engineering, AV integration, or similar technical fields.

Application Closing Date: 31st October Please note we reserve the right to close roles sooner, so Early Application is encouraged.
Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together.

Role description:
Our graduate GROW programme is a structured 3-year programme, designed to help you evolve and develop skills to become an experienced professional in your chosen field. You'll benefit from training and development, mentoring, and assistance for accreditations relevant to your programme, as well as the support and guidance you need to develop and succeed. As a GROW graduate you will be empowered to drive your career and will be exposed to a variety of experiences to assist you in gaining the skills you require to succeed.

As an engineer joining GROW, you will be given the opportunity to specialise within your chosen discipline of engineering and we ensure you obtain the appropriate experiences that you need to become a technical expert. Being an Engineer at Arcadis is about applying a human filter to all your technical expertise and training, and making an impact through innovation and creativity. During this three-year programme you will develop core engineering and consulting techniques that can be applied while working with our clients in the UK, Ireland and potentially even some of our international clients around the globe.

Role accountabilities:
Our systems Engineers work across various schemes spanning railway, highway and defence sectors delivering a whole system led approach in the delivery of the projects. We are at the forefront of the delivery of a project, through our broad engineering knowledge that spans all disciplines (i.e. Mechanical, Electrical, Civil etc) and engineering management skills in ensuring that we are delivering an integrated system or project. Systems Engineers are at the heart of understanding the customer and stakeholder needs and ensuring that the project requirements and interfaces are managed through the design, installation, testing/commissioning, operation, maintenance, and obsolescence management phases of the project lifecycle.

Accepted degrees: Meng (or MSc) Systems Engineering, Electrical Engineering, Telecoms Engineering, Mechanical Engineering or any other Engineering discipline.

Qualifications & Experience:

• You will be graduating in 2026 or have recently graduated with at least a 2:2 in a relevant master's or bachelor's degree
• You will demonstrate typical Arcadian skills including Resilience, Creativity, Analytical Thinking and being a Team Player
• You will have excellent communication skills and the ability to use your technical knowledge to influence and consult stakeholders.
• Willing to travel and stay away from home when required (where possible we embrace virtual working)

Why Arcadis?
We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It's why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You'll do meaningful work, and no matter what role, you'll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging
We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We believe that by working together diverse people with different experiences develop the most innovative ideas. Equality, diversity and inclusion is at the heart of how we improve quality of life and we work closely with our people across six ED&I Workstreams: Age, Disability, Faith, Gender, LGBT+ and Race. A diverse and skilled workforce is essential to our success.

#EarlycareersUK&I #GraduateUK&I
#EarlyCareersIreland #GraduateEngineering

About the role:

As a lead technical contributor, the engineer will define, design, and verify complex electromechanical systems integrating hardware and software. Responsibilities include:

• Deriving product requirements from user needs
• Developing system specifications
• Conducting risk assessments (like dFMEA)
• Performing verification and validation tasks
• Using methodologies such as Design for Six Sigma (DFSS) and employing Agile and Waterfall models, the role demands close collaboration with mechanical, software, reliability, and quality engineering teams.
• Supports transitioning designs from R&D to manufacturing and provides expertise for field troubleshooting and quality assurance.

Key duties:

• Deliver innovative technical solutions through imaginative, practical, and risk-assessed approaches.
• Develop work plans to turn concepts into design outputs.
• Own derivation and testing of product requirements and high-level system/subsystem specifications.
• Collaborate cross-functionally and provide technical guidance to engineers and developers.
• Independently address complex problems using analytical/scientific methods.
• Create detailed subsystem workflows and exception logic guiding software development.
• Collect and present data analysis to teams and leadership.
• Utilize DFSS and best practices to manage technical risk and ensure product reliability.
• Execute system verification/validation including protocol development and reporting.
• Facilitate smooth product transitions from R&D to manufacturing and support field issues.
• Act as liaison between R&D, Quality, and Reliability functions on risk analysis and validation activities.

Requirements

• Bachelor's degree in science or engineering.
• Minimum 6 years' experience in systems engineering, medical device or robotic system design.
• Expertise in requirements management, system integration, failure mode effects analysis, verification & validation.
• Skilled in experimental design, data acquisition, statistical analysis, and DFSS.
• Experience in beta testing or field product launches preferred.
• Ability to work independently and collaboratively internationally.
• Clear communication of concepts across teams.
• Familiarity with product development processes (Agile, Waterfall) and design control.
• Experience or understanding of outpatient, retail, or central pharmacy is a plus.

Job Details / Other Information

• Full-time
• Benefits - Full
• Relocation Assistance Available - No
• Commission Compensation - No
• Bonus Eligible - No
• Overtime Eligible - No
• Interview Travel Reimbursed - No
• Management Experience Required - No
• Seniority Level: Mid-Senior
• Minimum Education - Bachelor's Degree
• Willingness to Travel - Occasionally

Job Description
Senior Systems Engineer
As a Senior Systems Engineer on the Systems engineering team, you'll get the opportunity to develop your skills and collaborate with engineers across Fidelity in a fun and dynamic environment. You will work closely with engineering teams to deploy applications in production and Business teams to coordinate incident response. You will also work with enterprise infrastructure teams to maintain and support on-prem infrastructure, as well as production applications in the cloud. As a senior member of the team, you will also have the opportunity to mentor engineers and help develop their technical skills, as well as your own.

The Expertise and Skills You Bring

• Batchelor's degree in computer science or related field required.
• 5+ years' experience.
• Experience deploying applications in production environments.
• Experience planning and coordinating upgrades and patches for on-prem infrastructure.
• Ability to seek out opportunities to develop and improve existing automation processes.
• Experience creating and maintaining non-production and production environments on Windows/Linux.
• Experience with trading order management and FIX protocol, is a plus.
• Expertise in developing CI/CD pipelines using Jenkins, is a plus.
• Understanding of networking infrastructure and protocols, is a plus.
• Experience with logging and monitoring systems such as Prometheus, Datadog, Splunk.
• Experience writing Python, Groovy, and shell scripts.
• Experience with certificate lifecycle management.
• Experience with various AWS services (S3, EC2, EKS etc.), is a plus.
• Coordinate timely resolution of problem tickets, incident tickets and Security findings with engineering teams.
• Support on-call duties, including weekends.
• Passionate and committed to learning new things.
• Solid analytical and communication skills and the ability to handle multiple tasks at any given time.
• Strong organization skills and attention to details.
• Understanding on trading lifecycle will be a plus.

The Team

Fidelity Digital Assets℠ , a Fidelity Investments Company, is developing a full-service enterprise-grade platform for storing, trading and servicing digital assets, such as Bitcoin and Ethereum.

Fidelity Digital Assets℠ adopts an entrepreneurial culture and startup approach while serving as one of the most innovative business units within Fidelity Investments. Our global, diverse team of hundreds of forward-thinking professionals lead with agility and creativity to build solutions that bridge the gap between traditional institutional investors and their exposure to digital assets. The firm's tenure and experience across multiple business lines present our employees with unprecedented access to knowledge, technology, and resources that help our team reshape the future of finance.

As a Systems Engineer you will be an integral part of the FDA Technology team. You'll get the opportunity to develop your skills, collaborate across Fidelity teams and continue to learn in a fun, collaborative, iterative, and rapidly changing environment. This is a hands-on role where you will regularly work on a wide range of production infrastructure and applications.

The Fidelity Digital Asset Systems Engineering Team is responsible for on-prem infrastructure and production stability across all supported applications. Our application integrations span across various business units. We are always working with different business partners and stakeholders to ensure we can provide best in class service.

For more like this search Crypto OR #CryptoJobs OR cryptocurrency OR blockchain OR "Digital Assets"

Category
Information Technology

General Overview

Impact Engineering Ltd is a trusted automation partner based in Dublin, focusing on business transformation, digitalisation, automation projects, and targeted automation training. We offer a range of services including consultancy, system upgrades, process optimization, and automation front line support. Our mission is to deliver innovative, cost-competitive, and compliant automation solutions to add value to businesses through digitalization.

Job Description

This is a full-time contract role for a Senior OEM Automation Engineer, based in Cork, supporting a leading pharmaceutical client. While there is some level of flexibility, the role is primarily site-based to enable effective collaboration with key stakeholders and hands-on system integration.

The successful candidate will play a key role in a site-wide PLC upgrade program, working across various critical manufacturing systems including centrifuges, dryers, and utilities. This position is urgent, with the current engineer departing shortly — so we are seeking someone who can start within the next two weeks to ensure a seamless handover and continued project momentum.

Key Responsibilities

• Lead and execute PLC upgrade projects across production and utility systems
• Work with Rockwell and/or Siemens PLC platforms
• Collaborate with process, maintenance, automation, and validation teams
• Support troubleshooting, FAT/SAT, and commissioning activities
• Ensure all work aligns with GMP and site safety standards
• Contribute to project documentation and knowledge transfer

Qualifications & Experience

• Bachelor's degree in Engineering, Automation, or related discipline
• 5+ years' experience in automation engineering within pharmaceutical or regulated environments
• Strong working knowledge of Rockwell and/or Siemens PLCs
• DeltaV exposure is a plus but not essential
• Proven experience with on-site engineering projects
• Familiarity with GMP, validation processes, and automation documentation
• Excellent problem-solving, interpersonal, and communication skills