Senior Linux Systems Engineer – Secure AWS Infra

Bluestaquk; Lincoln; On-site; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Workplace pension (salary exchange)

Group income protection

Group life assurance from day one

33 days' annual leave including bank-h

Private medical cover and 24/7 remote

Professional subscription support

Job summary

Bluestaq Ltd is seeking a seasoned Linux Systems Administrator to own multiple systems supporting NATO delivery on AWS. You will configure, monitor, upgrade, and respond to incidents, acting as escalation point and mentoring fellow Sys Admins.

Reporting to the Systems Administration Manager, this role includes on-call duties and cross-team collaboration. Essentially, you will ensure reliability, perform upgrades under change control, and develop runbooks for future use while navigating a 10-hour

Qualifications

• Strong hands-on Linux systems administration in complex, secure production environments.
• Experience with incident management and post-incident reviews.
• Clear written and verbal communication, and ITSM tooling familiarity.

Responsibilities

• Own one or more systems or environments with configuration, monitoring, and incident response.
• Debug difficult faults and drive root-cause analysis to remediation.
• Configure services with hardened defaults and turn logs into remediation plans.

Skills

Linux systems administration

Incident discipline

Documentation & runbooks

Tools

Ansible

Terraform

Kubernetes

Docker

Packer

Job description

Bluestaq Ltd is seeking a seasoned Linux Systems Administrator to own multiple systems supporting NATO delivery on AWS. You will configure, monitor, upgrade, and respond to incidents, acting as escalation point and mentoring fellow Sys Admins.

Reporting to the Systems Administration Manager, this role includes on-call duties and cross-team collaboration. Essentially, you will ensure reliability, perform upgrades under change control, and develop runbooks for future use while navigating a 10-hour