3rd Line Support Engineer
Introduction
Join a fast-growing technology business delivering secure digital solutions into highly sensitive environments across Defence and National Security. This is a hands-on support role where your technical expertise will directly contribute to keeping critical systems running smoothly and securely.
Role Overview:
- Location: Bristol (Onsite)
- Package: Competitive Day-Rate (inside IR35)
- Industry: Defence Technology / National Security
What You’ll Be Doing:
- Providing 3rd line support across infrastructure, services, and user environments
- Managing and resolving technical incidents, escalations, and monitoring alerts
- Supporting patching, upgrades, and software installations across secure systems
- Delivering desk-side and remote support to end users
- Maintaining accurate ticket updates, incident records, and technical documentation
- Supporting major incident processes and coordinating escalations where needed
- Communicating outages, maintenance activity, and service updates to users
- Assisting with endpoint provisioning, onboarding, and device management
- Working closely with engineers and technical teams to improve support processes and service reliability
Main Skills Needed:
- Strong experience with Microsoft Active Directory, Azure/Entra, and Microsoft 365 administration
- Knowledge of SharePoint and endpoint management tools including Intune
- Experience supporting web-based applications and user environments
- Understanding of incident, problem, and change management processes
- PowerShell scripting experience
- End-user device provisioning and onboarding experience
- Good understanding of security best practices including MFA and Conditional Access
- Familiarity with ITSM platforms such as Atlassian tools or similar
- Strong troubleshooting skills with a proactive, solutions-focused mindset
What’s in It for You:
- The chance to work on technology supporting critical national operations
- A collaborative, technically strong environment with real autonomy
- Exposure to complex, secure, and high-impact projects
- Opportunity to work alongside experts from technology and operational backgrounds
- A business investing heavily in innovation, growth, and modern technologies
- Long-term career development within a rapidly expanding organisation
- A culture built around collaboration, inclusivity, quality, and continuous improvement
Call to Action:
Fancy a proper challenge? You might have just found it.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.