Senior DevOps Engineer

Salary: £50,000 - 50,000 per year

Requirements

• We require Security Clearance, and candidates must have lived in the UK for at least 3 of the last 5 years to be eligible.
• We can only consider candidates who are able to work in the UK; visa sponsorship is not available for this campaign.
• We are looking for experience in a cloud-based Linux/Unix environment, ideally AWS, with confidence in scripting, automation, monitoring, and CI/CD practices.
• We need experience in incident management, root cause analysis, troubleshooting complex issues, and implementing preventative solutions using database, querying, and coding knowledge.
• We require a strong understanding of modern DevOps principles, including automation, CI/CD, and monitoring.
• We are looking for proven experience supporting business-critical live services with high availability, performance, and reliability.
• We need experience proactively monitoring, managing, and improving service performance, along with delivering continuous improvements.
• We require experience reducing manual processes, improving service resilience, and embedding best-practice ways of working.
• We are looking for demonstrable technical leadership, with the ability to set direction and guide teams in delivering solutions.
• We need strong problem-solving skills and the ability to make informed technical decisions in complex environments.
• We require experience working with secure systems and services, with appropriate controls in place.
• We are looking for understanding of how systems align with organisational and legislative requirements, including data protection and regulatory change.
• We need experience working in multidisciplinary agile teams and collaborating with engineers, analysts, and product professionals.
• We require the ability to communicate technical concepts clearly to a range of audiences and to work effectively with stakeholders.
• We are looking for experience supporting and developing others, sharing knowledge, and promoting a positive team culture.
• ITIL 4 Foundation is desirable; training can be provided.
• Technical experience in Unix/Linux environments, shell scripting, cloud infrastructure, automation, monitoring, database querying (SQL, PLSQL), and coding or scripting languages such as shell, Python, or Java is required.
• Working knowledge of DevOps principles and tools is expected; experience in similar technologies will also be considered.

Responsibilities

• We will expect you to play a key role in our IT Services Digital team during a period of significant change.
• You will help deliver secure, resilient, and high-performing IT services across existing and newly developed systems.
• You will support and improve services within our cloud-based Linux/Unix environment using scripting, automation, monitoring, and CI/CD practices.
• You will carry out maintenance, upgrades, automation, and continuous service improvement activities to maintain optimal performance and reliability.
• You will help align services to new responsibilities introduced by the Economic Crime and Corporate Transparency Bill.
• You will maintain and support live services to ensure high availability and strong performance.
• You will deliver system upgrades, enhancements, automation initiatives, and service improvements.
• You will handle ServiceNow incident issues and initiate root cause analysis where needed.
• You will contribute to reporting and data management as requested by the Directorate.
• You will help develop projects that improve the range and quality of digital services for our customers.
• You will take an active part in the transformation of our services and in shaping smarter ways of working.
• You will coach and mentor colleagues and other IT professionals to support team development and wellbeing.
• You will contribute to continuous improvement through collaborative working within and outside the team.
• You will participate in our on-call rota, providing 24/7/365 cover as an essential part of the role.

Technologies

• AWS
• CI/CD
• Cloud
• DevOps
• Support
• ITIL
• Java
• Linux
• Python
• SQL
• Security
• ServiceNow
• Unix
• Office 365

More

We are Companies House, and we are proud to have maintained a 99.5% service availability target over the past five years. We are based in either our Cardiff or Edinburgh office, with a hybrid working model as our standard offering, and remote working may be considered in exceptional circumstances where commuting to the office location is not reasonable. This role can only be worked in the UK. We offer a salary of £41,509 plus a Civil Service Defined Benefit Pension contribution of £12,025, along with a comprehensive benefits package designed to support wellbeing, work-life balance, and career satisfaction. We celebrate diversity, welcome applications from underrepresented groups and Welsh speakers, and are a disability confident leader committed to an inclusive and fully accessible recruitment process, with adjustments available as needed.

last updated 22 week of 2026