Senior Mission-Critical Software Engineer - Defence Ops

1120 NG UK Limited.; United Kingdom; On-site; GBP 50,000 - 95,000; Full time

Benefits offered by this job

Flexible and hybrid working

Private healthcare

Dental cover

Life assurance

Pension scheme

Holiday buy and sell

Career development

Wellbeing initiatives

Job summary

Northrop Grumman UK is seeking a Software Engineer to join an Operations and Maintenance team supporting advanced national security and defence systems. You will help maintain mission-critical capabilities, ensure operational readiness and address real-time technical challenges in a dynamic environment.

The role blends software engineering with systems operations, offering opportunities to work across multiple engineering disciplines while delivering reliable, affordable aerospace and defence

Qualifications

• A Bachelor's or Master's degree in a STEM discipline with relevant technical or engineering experience.
• Strong analytical and problem‑solving skills within complex technical environments.
• The ability to lead technical discussions, provide briefings and communicate recommendations to stakeholders and decision-makers.
• Experience contributing to or leading projects and teams in demanding operational or engineering environments.
• A collaborative approach and the ability to thrive within multidisciplinary teams.

Responsibilities

• Monitor system and subsystem performance, analysing operational data and producing status and performance reports.
• Investigate, diagnose and respond to system anomalies, helping to maintain mission readiness and service availability.
• Develop and implement software, scripts and process improvements that enhance system performance and operational effectiveness.
• Support system reconfigurations, mode changes and non‑routine operational activities.
• Review, update and improve standard operating procedures, technical documentation and redundancy management processes.
• Participate in continuous learning, technical training and advanced development programmes to maintain core engineering skills.
• You’ll also work within a shift‑based operational environment, supporting critical systems through occasional 12‑hour shifts, weekends and on‑call activities where required.

Skills

Software engineering

Systems engineering

Analytical thinking

Leadership

Communication

Education

Bachelor's or Master's in STEM

Tools

Jira

Confluence

Linux

Python

Perl

Job description

Northrop Grumman UK is seeking a Software Engineer to join an Operations and Maintenance team supporting advanced national security and defence systems. You will help maintain mission-critical capabilities, ensure operational readiness and address real-time technical challenges in a dynamic environment.

The role blends software engineering with systems operations, offering opportunities to work across multiple engineering disciplines while delivering reliable, affordable aerospace and defence