Senior Principal Infrastructure Engineer - TS Clearance

Northrop Grumman Corp.

Virginia (MN)

On-site

USD 125,000 - 235,000

Full time

4 days ago

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Benefits offered by this job

Health insurance

Life insurance

Disability insurance

Savings plan

Holidays & PTO

Job summary

Northrop Grumman Corp. is seeking a skilled infrastructure engineer to own deployment, operation, and lifecycle management of production infrastructure across Windows, Linux, and virtualized environments.

You will collaborate with ISSOs/ISSEs to meet security requirements and resolve vulnerabilities while maintaining core identity services and network infrastructure. The role requires hands-on experience with Windows Server, Active Directory, VMware vSphere, Cisco networking, and automation

Qualifications

Must have U.S. Citizenship with an active Top Secret security clearance with an active SCI indoctrination at the time of application.
Hands-on experience administering Windows Server environments and Microsoft Active Directory, including users and groups, Group Policy, domain services, permissions, authentication, and DNS.
Experience deploying, configuring, patching, maintaining, and troubleshooting Windows and/or Linux servers in production or operational environments.
Hands-on experience with TCP/IP networking, including DNS, VLANs, routing, switching, firewalls, and troubleshooting network connectivity issues.
Experience administering virtualized infrastructure using VMware vSphere/ESXi or a comparable enterprise virtualization platform.
Experience using automation, scripting, or configuration-management technologies such as Ansible, PowerShell, Python, Bash, or similar tools.
Demonstrated ability to troubleshoot complex infrastructure issues spanning operating systems, applications, identity services, networking, and virtualization; perform root-cause analysis; and drive technical problems through resolution.
Ability to create and maintain clear technical documentation, including system configurations, operational procedures, architecture diagrams, and technical decisions.
Strong written and verbal communication skills with the ability to collaborate effectively across functional engineering teams.

Responsibilities

Own the deployment, operation, maintenance, and lifecycle management of production infrastructure and shared platform services across Windows, Linux, network, and virtualized environments.
Work as part of an integrated infrastructure team, collaborating with fellow engineers, ISSOs, and ISSEs to translate operational and security requirements into maintainable solutions and resolve vulnerabilities, configuration findings, and production issues.
Administer Microsoft Active Directory, Group Policy, DNS, RADIUS, and other core identity and network services supporting production systems.
Deploy, configure, patch, harden, monitor, and troubleshoot Windows and Linux servers in accordance with organizational security, availability, and performance requirements.
Administer VMware ESXi/vSphere environments, including virtual machines, storage, networking, capacity planning, availability, upgrades, and lifecycle management.
Configure, maintain, and troubleshoot Cisco network infrastructure, including switching, routing, VLANs, segmentation, access controls, and connectivity between systems and services.
Develop and maintain Ansible playbooks, scripts, and reusable automation to standardize provisioning, configuration management, system administration, and other recurring tasks.
Apply Infrastructure-as-Code and GitOps practices using version control, peer review, automated validation, configuration baselines, and controlled deployment of infrastructure changes.
Implement and maintain monitoring, logging, alerting, backup, recovery, and operational health capabilities for production infrastructure services.
Troubleshoot complex infrastructure issues across compute, virtualization, networking, storage, authentication, and application dependencies, including root-cause analysis and corrective action.
Maintain infrastructure architecture, configuration standards, runbooks, and as-built documentation while driving automation, modernization, reliability, security, and reduction of technical debt.