Senior Linux Infrastructure Engineer - eSC or eDV Clearance Required

We are looking for a Senior Linux Infrastructure Engineer to join IBM, with eSC or eDV Clearance required. In this role, you will help build, automate, and support modern cloud-native and hybrid platforms for IBM's public sector and defence clients. You will work across AWS, Azure, IBM Cloud, and Red Hat technologies, designing high-performance containerised environments using Kubernetes, Docker/CRI-O, and Infrastructure as Code.

You will work closely with development, architecture, security, and SRE teams to deliver scalable, secure, and reliable platforms for modern applications.

This position is open to engineers from mid-level through senior and principal levels, with responsibilities adjusted according to experience.

What You'll Do

• Build, automate, and operate container platforms using Kubernetes, Docker, and CRI-O.

• Deploy and manage infrastructure across multi-cloud and hybrid environments (AWS, Azure, IBM Cloud, Red Hat).

• Develop and maintain Infrastructure as Code using Terraform, Ansible, and cloud-native IaC tools.

• Implement high availability, disaster recovery, load balancing, and hybrid networking solutions.

• Integrate monitoring, SLOs, and quality gates into CI/CD pipelines to support resilient delivery.

• Administer Red Hat OpenShift clusters and support migrations to container platforms.

• Collaborate with architects and developers to enhance automation, performance, and security.

• Depending on seniority, contribute to technical leadership, shape DevOps practices, and mentor engineers., IBM wants you to bring your whole self to work and for you this might mean the ability to work flexibly. If you are interested in a flexible working pattern, please talk to our recruitment team to find out if this is possible in the current working environment.

Bachelor's Degree

Required technical and professional expertise

You should have solid hands-on experience in Linux engineering, AWS, and modern container platforms, along with a proactive mindset to build skills in any remaining areas.

Containerisation and Orchestration.

• Operating and managing Kubernetes clusters, including deployments, scaling, networking, upgrades, and security.

• Practical experience with Docker and CRI-O container runtimes.

• Experience administering OpenShift and supporting migrations to container platforms.

Cloud Platforms (AWS-Focused)

• Strong experience with AWS services, with the ability to work across other clouds such as Azure or GCP when required.

• Exposure to hybrid and on-prem environments, including modernisation of legacy systems.

• Understanding of VPC design, IAM and identity controls, and hybrid networking.

Automation and Infrastructure as Code

• Experience using Terraform and/or Ansible for Linux platform automation.

• Familiarity with AWS CloudFormation or other cloud-native IaC tools.

• Working knowledge of CI/CD tooling such as GitHub Actions, GitLab, Jenkins, Azure

DevOps, or Tekton.

Observability and Reliability

• Experience using monitoring and logging tools such as Prometheus, Grafana, ELK, CloudWatch, or Azure Monitor.

• Understanding of high availability, disaster recovery, load balancing, and resilience approaches.

• Awareness of SRE and GitOps methods.

Security and Compliance

• Knowledge of platform security, Linux hardening, secrets management, and identity tooling.

• Experience integrating security controls into build and deployment pipelines.

This role is subject to pre-employment screening in line with the UK Government's Baseline Personnel Security Standard (BPSS). An additional range of Personal Security Controls referred to as National Security Vetting (NVS) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV).

Preferred technical and professional experience

• A strong foundation in Linux systems administration, with supporting knowledge in areas such as networking, security, or databases.
• Experience running and supporting production workloads on AWS, including on-call support, incident response, and root-cause analysis.
• Hands-on automation of security or compliance tasks on Linux or AWS platforms, such as vulnerability remediation, scanning, or policy-as-code.
• Experience integrating traditional Linux infrastructure with AWS services and containerised environments.
• Ability to collaborate effectively with architecture, development, operations, and security teams.

Desirable Certifications

• AWS Certified Solutions Architect - Associate
• AWS Certified SysOps Administrator - Associate
• AWS Certified Solutions Architect - Professional
• Red Hat Certified System Administrator (RHCSA)
• Red Hat Certified Engineer (RHCE), Being an IBMer means you'll be able to learn and develop yourself and your career, you'll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

• Tools and policies to support your work-life balance from flexible working approaches, sabbatical programs, paid paternity leave, maternity leave and an innovative maternity returners scheme
• More traditional benefits, such as 25 days holiday (in addition to public holidays), private medical, dental & optical cover, online shopping discounts, an Employee Assistance Program, life assurance and a group pension plan through salary sacrifice.

In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.

Your role and responsibilities

At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact. From day one, you'll work on meaningful, high profile programmes that stretch your skills and accelerate your growth. We invest heavily in you-supporting continuous learning, in demand skills development, and long term career progression. You'll thrive in a flexible, inclusive environment that values curiosity, encourages reinvention, and recognises what makes you unique., IBM Consulting is IBM's consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients' businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet., In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better., IBM's greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world. Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we're also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business. At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it's time for you to join us on our journey to being a responsible technology innovator and a force for good in the world. IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.