Site Reliability Engineer

Job overview

Compensation is $87,100–$157,450 per year. The Site Reliability Engineer role is an onsite position based in Manassas, VA. This role exists to build, deploy, and maintain reliable compute platforms. The engineer focuses on infrastructure-as-code, NixOS-based systems, and observability to ensure that critical data platforms remain resilient, reproducible, and easy to operate.

What you'll do

• Own the reliability and operation of critical compute and data platforms
• Design, deploy, and maintain Linux infrastructure, including NixOS-based systems
• Build reproducible system configurations and deployment workflows using Nix and infrastructure-as-code
• Develop reusable NixOS modules, packages, flakes, and system configurations
• Improve platform resilience, fault tolerance, recoverability, and maintainability
• Build monitoring, logging, alerting, and observability capabilities
• Diagnose difficult failures across Linux, networking, storage, containers, and distributed systems
• Automate repetitive operational tasks and eliminate configuration drift.

What we're looking for

Skills & competencies

full-time

onsite

manassas va

leidos

site reliability engineer

linux

nixos

infrastructure-as-code

observability

automation

Work arrangement

• Weekend coverage required

Benefits & perks

• Competitive compensation, Health and Wellness programs, Income Protection, Paid Leave, Retirement.

Why this role

Focus on Nix/NixOS and declarative infrastructure.

About the employer

Leidos is hiring for this role. Industry: Computer Systems Design Services. Sector: 54.