2nd/3rd Line Platform Engineer

CGI; Bristol; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading IT consultancy in Bristol is looking for a technical support engineer experienced in Windows Server and virtualization platforms. The role involves providing expert support, maintaining automation workflows, and ensuring compliance in secure environments. Candidates should have strong skills in Active Directory, Citrix, and monitoring tools. This opportunity allows for career growth and the chance to work collaboratively in a dynamic team setting.

Qualifications

• Experience in 2nd/3rd line engineering within secure or Defence environments.
• Strong experience in Windows Server administration.
• Proficiency in Citrix and VMware vSphere.

Responsibilities

• Provide 2nd/3rd line technical support and engineering expertise.
• Administer and troubleshoot Windows Server platforms in large-scale environments.
• Conduct root-cause analysis of complex platform issues.

Skills

Active Directory

Citrix Netscaler

Linux

Tools

VMware vSphere

SCOM

Ansible

Git

Job description

Responsibilities

• Provide 2nd/3rd line technical support and engineering expertise for incident, problem, and change management across production and non-production environments, including out-of-hours escalation as required.
• Administer and troubleshoot Windows Server platforms (AD, GPO, DNS, DHCP, IIS, clustering) in large‑scale virtualised environments.
• Conduct root‑cause analysis and resolution of complex platform issues.
• Maintain and enhance automation and deployment workflows using Ansible, CI/CD pipelines (e.g. GoCD), and platform‑native automation tooling.
• Support Citrix and virtualised platforms such as VMware vSphere and vRealize Automation (vRA).
• Support Windows‑based and Linux (RHEL/CentOS/Oracle v8+9) systems, including patching and configuration management.
• Monitor, maintain, and optimise system health, capacity, and performance using SCOM, Tripwire, and other enterprise monitoring and logging solutions.
• Collaborate with engineering functions to deliver reliable and secure services.
• Ensure systems are maintained in line with security, compliance, and accreditation requirements, supporting audits and vulnerability remediation activities.
• Produce and maintain technical documentation, runbooks, and operational procedures.
• Share knowledge and provide mentorship to junior team members.

Qualifications

Essential Skills & Experience

• Experience in 2nd/3rd line engineering within secure or Defence environments.
• Strong experience in Windows Server administration within enterprise environments.
• Proficiency in Citrix and VMWare vSphere and vRealize Automation (vRA).
• Experience administering Active Directory environments, including Group Policy, trusts, and delegated administration.
• Experience with MECM (SCCM) or equivalent tooling for Windows patching and lifecycle management.
• Working knowledge of Linux systems (RHEL/Oracle).
• Skilled with monitoring tools such as SCOM.
• Knowledge of Git, Nexus, and CI/CD pipeline tools.
• Knowledge of Jumpboxes, AutoFS, and log rotation.
• Ability to communicate effectively with service owners, architects, and security stakeholders during incident and change activities.

Desirable Skills

• Experience with Galaxy, Foreman/Katello, or GoCD (or alternatives).
• Familiarity with Trend, Nessus, or other security scanning tools.
• Knowledge of firewall administration.
• Knowledge of Ansible for automation or similar tools.
• Knowledge of enterprise backup, restore and disaster recovery solutions.
• Awareness of trust relationships and secure enterprise architectures.

Skills

• Active Directory
• Citrix Netscaler
• Linux

What you can expect from us

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well‑being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.