Senior Application Support Engineer – Contract

Posted 25 August 2026
Salary 800-900
LocationGuildford
Job type Contract
Discipline Software Engineering
Reference78999
Remote working Hybrid/Flexible

Job description

Senior Application Support Engineer – Contract

*require SC to start. candidates must be happy to complete eDV clearance*

Start: ASAP
Duration: 6-12 months (rolling)
rate: up to £800 /day (inside IR35)

We are looking for a Senior Application Support Engineer to join a small team supporting a complex, business-critical, multi-technology application.

You'll take ownership of BAU support, incident/problem management, system changes and continual service improvement, working directly with clients, technical teams and subcontractors.

Key Responsibilities:
Manage incidents, problems, service requests and changes through to resolution.
Diagnose and resolve complex technical and application issues.
Deliver small enhancements and support larger development changes.
Work with clients and technical teams to implement system changes.
Provide technical guidance and mentoring to other support engineers.
Produce service and major incident reports.
Maintain technical and service documentation.
Drive proactive activities including health checks, monitoring, patching, capacity management and performance improvement.
Identify risks, issues, dependencies and opportunities for service improvement.
Occasionally travel to UK client/data-centre sites.

Essential Skills
ITIL 4 Foundation
Linux
Apache NiFi
Strong application/service support experience.
Excellent troubleshooting and problem-solving skills.
Strong client-facing communication.
Able to work independently and take ownership.


Desirable experience with:
Active Directory, DNS, networking, IPSEC/crypto, PKI, Cisco IOS, Docker, VMware, MySQL, MongoDB, ELK, Jira, RSA and infrastructure technologies.