NixOS SRE: Reliable Infra, Reproducible Deployments Remote

Leidos; Chantilly (VA); Hybrid; USD 87,000 - 157,000; Full time

Benefits offered by this job

Flexible work hours

Work-from-home options

Office coffee

Award-winning workspace

Job summary

Leidos in Chantilly, Virginia is seeking a Site Reliability Engineer to design, deploy, and operate scalable Linux-based platforms. You’ll own reliability of compute and data platforms, implement Nix/NixOS configurations, and build IaC-driven deployment workflows in a collaborative, mission-focused environment.

The role emphasizes reproducible environments, robust monitoring, and rapid incident response. You’ll work across networking, storage, and security, with opportunities to learn adjacent

Qualifications

• Bachelor's degree in Computer Science, Computer Engineering, or related field.
• Strong experience administering and troubleshooting Linux systems.
• Experience with Linux networking, storage, and file systems.
• Experience automating system configuration and deployment.
• Experience with Nix and/or NixOS in production, lab, or significant personal environments.
• 2+ years of scripting in Python, Go, Bash, or similar.

Responsibilities

• 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 that help us understand system behavior before customers notice problems.
• Diagnose difficult failures across Linux, networking, storage, containers, and distributed systems.
• Automate repetitive operational tasks and eliminate configuration drift.
• Design and build security and maintainability components for deployed systems.
• Help define operational standards, deployment practices, upgrade strategies, and disaster-recovery procedures.
• Perform capacity planning and identify performance bottlenecks across compute, storage, and networking.
• Own solutions spanning CNO, analytics, security, infrastructure, and field deployments.
• Learn new skills and teach the rest of us what you know.

Skills

Linux systems administration

Nix/NixOS

SRE practices

Networking experience

Scripting (Python/Bash)

Infrastructure as Code

Education

Bachelor's degree in Computer Science or related field

Tools

NixOS

Terraform

Ansible

Prometheus

Grafana

Job description

Leidos in Chantilly, Virginia is seeking a Site Reliability Engineer to design, deploy, and operate scalable Linux-based platforms. You’ll own reliability of compute and data platforms, implement Nix/NixOS configurations, and build IaC-driven deployment workflows in a collaborative, mission-focused environment.

The role emphasizes reproducible environments, robust monitoring, and rapid incident response. You’ll work across networking, storage, and security, with opportunities to learn adjacent