Principal Senior Principal Infrastructure Engineer

Northrop Grumman

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Dulles, VA
Salary
$125,300–$187,900 / yr
Employment
Full-time
Posted
4 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $198k
This role $157k
$109k most similar roles pay here $280k

This role pays less than 82% of similar roles. Most pay $169,067–$226,350 — the shaded band above. At the midpoint, this role pays about $157k versus about $198k for comparable roles.

Based on 240 similar postings.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 347 open roles on FindRole.

Listed pay typically runs $114,000–$171,000 across 333 roles with salary data.

Most-posted roles

View all roles at Northrop Grumman

At a glance

TL;DR · Principal Senior Principal Infrastructure Engineer

The Principal/Sr Principal Infrastructure Engineer joins the Product Security Engineering team to support the secure development and operation of production infrastructure and software products for space systems. In this role, you will design, build, automate, secure, and sustain infrastructure and shared services while collaborating with cross-functional teams to modernize engineering workflows and ensure system resilience. You will manage the lifecycle of Windows and Linux servers, VMware ESXi/vSphere environments, and Cisco network infrastructure including routing and switching. Key responsibilities include administering Active Directory, DNS, and RADIUS, as well as developing Ansible playbooks and scripts for automation. You will implement Infrastructure-as-Code and GitOps practices while managing monitoring, logging, and security hardening. The role requires expertise in Python, Bash, PowerShell, and networking protocols to resolve complex issues within high-security production environments.

What you'll do

  • Manage the deployment, operation, and lifecycle of production infrastructure across Windows, Linux, network, and virtualized environments.
  • Administer core identity and network services including Microsoft Active Directory, Group Policy, DNS, and RADIUS.
  • Configure, patch, harden, and troubleshoot Windows and Linux servers to meet security and performance requirements.
  • Manage VMware ESXi/vSphere environments including virtual machines, storage, networking, and capacity planning.
  • Maintain Cisco network infrastructure including switching, routing, VLANs, and network segmentation.
  • Develop Ansible playbooks and scripts to automate provisioning, configuration management, and recurring administrative tasks.
  • Implement Infrastructure-as-Code and GitOps practices using version control and automated validation for infrastructure changes.
  • Establish monitoring, logging, alerting, and backup systems to ensure the health of production services.

What we're looking for

  • Must be a U.S. citizen with an active Top Secret security clearance and active SCI indoctrination.
  • Principal: 5 years with BS; 3 years with MS; 1 year with PhD (or 4 additional years of experience in lieu of degree).
  • Senior Principal: 8 years with BS; 6 years with MS; 4 years with PhD (or 4 additional years of experience in lieu of degree).
  • Experience administering Windows Server environments, Microsoft Active Directory, Group Policy, DNS, and other core identity services.
  • Experience deploying, configuring, patching, and troubleshooting Windows and Linux servers in production environments.
  • Experience with TCP/IP networking including DNS, VLANs, routing, switching, firewalls, and troubleshooting connectivity issues.
  • Experience administering virtualized infrastructure using VMware vSphere/ESXi or a comparable enterprise platform.
  • Experience using automation and configuration management tools such as Ansible, PowerShell, Python, or Bash.

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