Senior Systems Administrator - Generalist

Huntington Ingalls Industries; Springfield (VA); On-site; USD 105,000 - 155,000; Full time

Benefits offered by this job

Competitive salary

Opportunities for professional development

Health insurance

Job summary

Huntington Ingalls Industries is seeking a Senior Systems Administrator - Generalist in Springfield, Virginia. The role involves administering, securing, and optimizing Windows and Linux systems for mission-critical environments. Candidates should have 7+ years of experience in systems administration and TS/SCI security clearance.

Responsibilities include managing complex systems, ensuring compliance, and developing automation to improve operations. A competitive salary in the range of $105,000 - $155,000 is offered.

Qualifications

• 7+ years of systems administration experience in enterprise environments.
• 5+ years of experience with Microsoft Active Directory.
• TS/SCI clearance required.

Responsibilities

• Administer and secure Windows and Linux environments.
• Manage and troubleshoot issues across Windows Server and Linux distributions.
• Provide guidance to junior administrators.

Skills

Hands-on systems administration experience

Knowledge of Microsoft AD and server applications

Experience with security configuration

Scripting technologies experience

Education

Bachelor's degree in related field

Master's degree in related field

Tools

PowerShell

Ansible

Citrix

Cisco

Job description

Senior Systems Administrator - Generalist

Requisition Number: 29085

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $105,000.00 - $155,000.00

Security Clearance: TS/SCI

Level of Experience: Mid

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

The selected candidate will contribute to a high-impact government program focused on enhancing and securing mission-critical systems and environments. This program launched early 2026 and due to the classified nature of the mission and the sensitivity of the operational environment, an active TS/SCI security clearance will be required.

Systems Administrator 3: $105,000 - $145,000

Systems Administrator 4: $120,000 - $160,000

What you will do

You will serve as a senior technical resource responsible for administering, securing, and optimizing both Windows and Linux environments that support critical enterprise and mission workloads.

In this role, you apply deep cross‑platform expertise to ensure systems are designed, configured, and maintained for reliability, performance, and compliance with organizational standards.

Key responsibilities include managing and troubleshooting complex issues across Windows Server and Red Hat/other Linux distributions, performing system installations, configurations, patching, and lifecycle maintenance, and ensuring effective integration with networking, storage, virtualization, and security services.

You will develop and maintain automation to streamline routine operations, contribute to configuration baselines, and support system hardening and vulnerability remediation.

You may also participate in solution design activities such as documenting system architectures, evaluating platform improvements, and supporting deployments of new capabilities.

Additionally, you will provide guidance to junior administrators, conduct system testing, validate operational readiness, and ensure both Windows and Linux systems remain stable, secure, and aligned with enterprise and mission requirements.

What we are looking for

• 7+ years of progressively responsible hands‑on systems administration of enterprise server operating systems (Windows Server, Red Hat Enterprise Linux (RHEL)) and server applications (e.g., Active Directory, Exchange, File Services, and SQL server).
• 5+ years of experience administering a complete Microsoft AD domain and forest functional level, to include domain controllers, global catalogs, LDAP/S, DNS, and DHCP.
• Experience applying and maintaining a standard security configuration based on SRGs and STIGs.
• Must meet DoD 8140/CSWF for 451-Intermediate or be willing to obtain the appropriate credential within 6 months.
• TS/SCI clearance required with ability to obtain CI Poly

System Administrator 3: 7 years relevant experience with Bachelors in related field; 4 years relevant experience with Masters in related field; or High School Diploma or equivalent and 10 years relevant experience.

System Administrator 4: 10 years relevant experience with Bachelors in related field; 8 years relevant experience with Masters in related field; or High School Diploma or equivalent and 14 years relevant experience.

Preferred Requirements

• Experience leveraging scripting technologies (e.g., PowerShell, Batch, VBScript) and automated deployment tools and approaches (e.g., Ansible).
• Operating system formal training or vendor certifications from Microsoft or Red Hat.
• Formal training or vendor certifications for applications and technologies such as Citrix, Cisco, Splunk, SolarWinds, ServiceNow.

The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?
If you need a reasonable accommodation for any part of the employment process, please send an e-mail to [e-mail] and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.