Systems Administrator (TS/SCI + Poly)

How We're Different

We believe the highest-impact work in national security and technology is a team sport. At Aperio Global, we operate as a single, cohesive force aligned on a handful of mission-critical efforts where our work truly moves the needle. We don't chase small wins. We solve for next.

We view the intersection of cybersecurity, artificial intelligence, and data analytics as an empirical discipline as rigorous and consequential as any field in science or engineering. That means we bring intellectual honesty, accountability, and transparency to every problem we take on. Our team includes tech innovators, Intelligence Community veterans, and security professionals who know that the best solutions come from diverse minds working toward a common mission. We value our people, those working quietly behind the scenes, doing the hard work that keeps our nation secure.

The best way to understand how we think is to see what we've built. From full-spectrum cyber operations and de-biased AI platforms to quantum networking and cloud-native software systems, our work speaks for itself.

Come solve with us

We offer competitive compensation and a comprehensive benefits package — including medical, dental, and vision coverage, a 401(k) retirement plan, life insurance, generous paid time off, short and long-term disability, professional development, and much more. We invest in our people because they are our most important asset — and because the mission demands the best.

Systems Administrator

TS/SCI With Polygraph Is Required.

Mission Infrastructure | Linux & Windows Administration | Secure Network Operations

About the Role:

Aperio Global is seeking an experienced Systems Administrator to support a mission-critical enclave environment consisting of both physical and virtual infrastructure. This role is ideal for someone who thrives in a hands-on operational environment and enjoys owning the health, security, and performance of complex systems that directly support critical mission operations.

As a key member of a small, highly collaborative team, you will be responsible for maintaining secure and reliable infrastructure, administering network resources, managing system compliance, and ensuring mission continuity across the enterprise.

What You'll Do:

Administer, maintain, and secure mission-critical Linux and Windows environments

Manage physical and virtual infrastructure supporting operational mission systems

Install, configure, and maintain network equipment, servers, and supporting technologies

Create, modify, and manage user accounts, permissions, and access controls

Perform system updates, patching, vulnerability remediation, and security hardening

Monitor infrastructure health, troubleshoot outages, and resolve connectivity issues

Configure and maintain firewalls, network devices, and secure communications pathways

Support data management, data movement, backup, and recovery operations

Conduct vulnerability scans and support compliance requirements across the environment

Collaborate with engineers, analysts, and mission stakeholders to ensure system availability and performance

Mission Focus:

Support and sustain the secure infrastructure that enables mission success. This role is responsible for ensuring operational continuity, maintaining secure data flows, and protecting critical systems that support intelligence and analytic operations.

Required Qualifications:

Bachelor's degree and 5+ years of relevant experience, or equivalent combination of education and experience

Experience administering Linux environments, including Red Hat Enterprise Linux (RHEL)

Experience supporting Windows Server environments and enterprise services

Strong understanding of networking fundamentals, client-server architectures, and system administration best practices

Experience managing user accounts, permissions, authentication, and access controls

Experience maintaining network infrastructure and troubleshooting complex system and connectivity issues

Experience with vulnerability management, system hardening, patch management, and security compliance

Knowledge of data management, data transfer, backup, and recovery processes

Understanding of STE/STN operational requirements

Desired Qualifications:

Experience with customer analytic platforms and mission systems

Experience with infrastructure automation and configuration management using Ansible

Experience supporting containerized environments and repositories such as Quay

Experience with GitLab for source control and DevOps workflows

Experience administering virtualized environments using VMware

Familiarity with customer technologies such as LatteArt and Biscotti

Experience supporting highly secure intelligence or national security environments

Security Requirements

Active TS/SCI with Polygraph required**

Why Aperio Global

At Aperio Global, you'll work alongside engineers, operators, and mission experts solving complex infrastructure challenges in support of national security missions. We value people who take ownership, embrace technical challenges, and are passionate about building secure, resilient systems that enable mission success.

133K-153K

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.

Benefits

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.

Health Care Plan (Medical, Dental & Vision)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 DisabilityProfessional 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.