Site Reliability Engineer

JAM Recruitment Ltd; City Of London; On-site; GBP 92,000 - 129,000; Full time

Job summary

JAM Recruitment Ltd in London is seeking a Site Reliability Engineer on a contract basis, working 3-4 days on site. The role focuses on maintaining production databases, applying vulnerability management, and supporting a range of full-stack applications and services.

You will use automation to provision and manage infrastructure, handle identity brokers and authentication, run ETL processes, and contribute to observability platforms to meet security and performance standards.

Qualifications

• Experience administering MSSQL databases following industry best practices.
• Hands-on experience with identity brokers and modern authentication (JWT, PKI).
• Proficiency with IaC tools such as Ansible for Linux provisioning.
• Experience with containerisation using Docker and Docker Compose.
• Experience managing headless Linux VMs in production environments.
• Proactive troubleshooting and ability to thrive in fast-paced settings.
• Strong communication and stakeholder collaboration skills.

Responsibilities

• Manage, maintain and configure production databases, run ad hoc queries and troubleshoot issues.
• Provide 1st-3rd line support across full-stack applications and services.
• Administer Linux and Windows VMs with emphasis on vulnerability management and hardening.
• Leverage automation to provision, configure and manage virtual infrastructure.
• Deploy and support shared production services, identity brokers and observability platforms.
• Execute ETL processes to ingest and process data from cross-domain sources.
• Develop scripts to improve operational efficiency across platforms.
• Maintain documentation and comply with operational standards.

Skills

MSSQL

Identity brokers

IaC Ansible

Docker

Linux VMs

Troubleshooting

Communication

Tools

Jira

Confluence

Keycloak

Grafana

Elasticsearch

NiFi

GitLab

Job description

Site Reliability Engineer

Contract

per day (inside IR35)

London

3-4 days per week on site

\"Developed Vetting (DV) clearance is required for this role.\"

Our client is at the forefront of technology, innovation and national security. Bringing together talented people, cutting-edge digital capabilities and a shared purpose: to protect what matters most in an increasingly connected world.

Looking for passionate, curious and forward-thinking individuals to join our team and help solve some of the most complex challenges facing our customers. Whether you're an experienced professional or looking to take the next step in your career, you'll have the opportunity to work on meaningful projects, develop your skills and make a real impact.

Core Duties

Key Responsibilities:

• Manage, maintain and configure multiple production databases, including performing ad hoc queries and troubleshooting issues
• Provide first, second and third-line support across a range of full-stack applications and services, applying analytical skills to undertake problem resolution and address technical issues.
• Administer and maintain Linux and Windows virtual machines, with a strong focus on vulnerability management and system hardening
• Leverage automation tools to provision, configure, and manage virtual infrastructure
• Deploy, configure, and support shared production services, including identity brokers and observability platforms
• Execute Extract, Transform, and Load (ETL) processes to ingest and process data from cross-domain sources
• Develop and utilise scripts to perform operational tasks and improve efficiency across customer platforms
• Maintain accurate documentation and ensure compliance with operational standards and ethical practices.

Skills and Experience:

Essential:

• Proven experience in Microsoft SQL Server (MSSQL) database administration, following industry best practices.
• Hands-on experience with identity brokers and modern authentication/authorisation mechanisms (e.g., JSON Web Tokens, PKI).
• Strong knowledge of Infrastructure as Code (IaC) tools such as Ansible for Linux provisioning and configuration management.
• Experience working with containerisation technologies including Docker and Docker Compose.
• Proficiency in administering and maintaining headless Linux virtual machines in production environments.
• Demonstrates a proactive approach to problem-solving and troubleshooting, with the ability to thrive in a fast-paced environment and navigate ambiguity effectively.
• Possesses strong communication and interpersonal skills, with the confidence to engage and collaborate with a wide range of stakeholders.

Preferred:

• Experience with CI/CD pipelines using tools such as GitLab.
• Familiarity with RESTful APIs and system integration.
• Experience managing Windows IIS servers.
• Experience using Atlassian tools (Jira, Confluence) to support Agile development and documentation practices.
• Knowledge of Keycloak, Grafana, Elasticsearch and NiFi.