Senior Systems Administrator (TS/SCI + Poly is Required)

Aperio Global; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Benefits offered by this job

401k with match

Life Insurance

Paid Time Off

Disability Insurance

Professional Development

Job summary

Aperio Global is seeking a Senior Systems Administrator to support a mission-critical customer in the Washington Metropolitan Area. The role requires active TS/SCI with Polygraph and experience administering Windows and Linux server environments.

The ideal candidate will troubleshoot complex issues, maintain highly available infrastructure, and support cloud-based operations in dynamic environments. Onsite work in Chantilly/Reston area with limited travel may be required.

Qualifications

• Active TS/SCI with Polygraph clearance.
• Experience administering Windows and Linux server-client environments.
• Experience supporting enterprise information systems.
• Experience troubleshooting system performance and resolving technical issues.
• Experience supporting cloud-based infrastructure and enterprise computing environments.
• Ability to work effectively in a collaborative, mission-focused environment.

Responsibilities

• Monitor and maintain enterprise Windows and Linux server environments.
• Troubleshoot system and network performance issues and implement corrective actions.
• Configure, maintain, and enhance mission-critical information systems.
• Collaborate with technical teams to identify system improvements and implement infrastructure solutions.
• Support system administration activities in cloud and enterprise computing environments.
• Assist with cyber operations through system administration and infrastructure support.
• Evolve existing information systems to meet emerging mission requirements.

Skills

Windows Server

Linux Server

Cloud Infrastructure

Troubleshooting

Team Collaboration

Cyber Ops support

Job description

Senior Systems Administrator (TS/SCI + Poly is Required)

Chantilly, Virginia, United States

Aug 12, 2026

Our Mission Statement

At Aperio Global, we bring together experts in cybersecurity, AI, data analytics, and cloud technologies to solve complex national security challenges. We focus on work where our expertise creates the greatest impact.

Our team includes technologists, Intelligence Community veterans, and security professionals who believe the best solutions come from collaboration, accountability, and technical excellence. From cyber operations and AI platforms to cloud-native software and emerging technologies, our work speaks for itself.

Come Solve With Us

We offer competitive pay, comprehensive benefits, retirement savings with company match, generous paid time off, and professional development. We invest in our people because great missions require great teams.

System Administrator

Security Clearance:

Active TS/SCI with Polygraph required. Only candidates who currently possess this clearance can be considered for this position.

Aperio Global is seeking a System Administrator to support a mission-critical customer in the Washington Metropolitan Area. The ideal candidate has experience administering enterprise Windows and Linux environments, maintaining mission systems, troubleshooting complex technical issues, and supporting secure, highly available infrastructure in dynamic operational environments.

Job Responsibilities:

• Monitor and maintain enterprise Windows and Linux server environments.
• Troubleshoot system and network performance issues and implement corrective actions.
• Configure, maintain, and enhance mission-critical information systems.
• Collaborate with technical teams to identify system improvements and implement infrastructure solutions.
• Support system administration activities in cloud and enterprise computing environments.
• Assist with cyber operations through system administration and infrastructure support.
• Evolve existing information systems to meet emerging mission requirements.

Required:

• Active TS/SCI with Polygraph security clearance.
• Demonstrated experience administering Windows and Linux server-client environments.
• Experience supporting the operations and maintenance of enterprise information systems.
• Experience troubleshooting system performance and resolving technical issues.
• Experience supporting cloud-based infrastructure and enterprise computing environments.
• Ability to work effectively in a collaborative, mission-focused environment.

Nice to Have:

• Experience supporting worldwide operational or enterprise environments.
• Experience with global network operations or data center environments.
• Experience supporting cyber operations or secure government IT infrastructures.

Work Location:

Washington Metropolitan Area (Onsite)

Limited CONUS and OCONUS travel may be required.

Security Clearance

Active TS/SCI with Polygraph required.

Salary Range:

Competitive and commensurate with experience.

The salary range for this role represents Aperio's good-faith estimate of compensation at the time of posting. Placement within the range is based on multiple factors, including but not limited to an individual's qualifications, relevant experience, education, certifications, technical skills, contract labor categories and/or rates, work location, market conditions, and business needs.

At Aperio Global, we understand the value of investing in our most important asset - our employees. That's why we have crafted a comprehensive benefits package designed to help you make the best decision for yourself, your family and your lifestyle. For additional details, contact our talent acquisition team.

• Retirement Plan (401k, IRA) with 100% employer match up to 6%
• Life Insurance (Basic, Voluntary & AD&D)
• Paid Time Off (Vacation, Sick & Public Holidays)
• Short Term & Long Term Disability
• Professional Development
• (and much more)

Aperio Global is an equal opportunity employer. We are committed to building an inclusive workforce where all employees and applicants are treated with respect and fairness. Employment decisions are based solely on qualifications, merit, and business needs — never on race, color, religion, sex, national origin, age, disability, genetic information, military or veteran status, pregnancy/childbirth, sexual orientation, gender identity, marital status, ethnicity, or any other characteristic protected by applicable federal, state, or local law.

Cognitive Infrastructure CompanySafeguarding Decisions Across Space, Homeland & Enterprise

Aperio Global provides innovative cyber operations, AI/ML solutions, and cloud services to enhance decision-making and achieve strategic objectives for the DoD and intelligence community.

Defense and Space Manufacturing Transportation Equipment Manufacturing Manufacturing

Company size 11-50 employees

Company type Privately held Founded 2019

Total funding 0

Funding history

Footprint

Where they work

Headquarters Chantilly, Virginia

15040 Conference Center Dr, Suite 150, Chantilly, Virginia 20151, US 11710 Plaza America Drive, Suite 2000, Reston, VA 20190, US 6700 Alexandria Bell Drive, Suite 200, Columbia, MD 21046, US