Systems Administrator

KBR; Nellis Air Force Base Census-Designated Place (NV); On-site; USD 120,000 - 150,000; Full time

Job summary

KBR is seeking a Systems Administrator to join our defense-focused team in Nevada. The role supports TRMC-related environments and requires active Top Secret clearance, 10+ years of relevant experience, and strong Windows/Linux expertise.

You will work with virtualization platforms and secure networking to maintain compliant, high-availability systems. Responsibilities include administering servers and storage, configuring VMware and Horizon components, ensuring patching and backups, and

Qualifications

• Active Top Secret clearance required.
• 10+ years as Systems Administrator.
• Technical bachelor's degree or higher; degree may be substituted by experience.
• Able to lift up to 35 lbs. and travel up to 20%.
• Strong virtualization experience with VMware (VxRail, vSphere, vDS, NSX).
• Strong Windows skills (AD, GPO, DNS, Web App Proxy, ADFS, PKI).
• Strong Linux skills (Docker, Containers, Kubernetes, RHEL, Satellite).
• Excellent documentation skills; able to write SOPs.

Responsibilities

• Administer hardware, network gear, software and virtualization infrastructure.
• Install, support, upgrade, and configure systems (Windows/Linux/VMware, Horizon UAG, VDI). Maintain security and backups.
• Manage infrastructure including servers, zero clients, malware protection, syslog, databases, ACAS.
• Upgrade systems and processes for security and functionality improvements.
• Identify risks and recommend mitigations; ensure compliance with TRMC RMF requirements.
• Create and review SOPs and network diagrams for team knowledge transfer.

Skills

Top Secret

10+ years experience

VMware

Windows

Linux

RMF

DoD networks

Scripting (Ansible)

Education

Technical Bachelor's degree

Tools

Horizon

UAG

PKI

ADFS

DNS

SIEM (Splunk)

Job description

Title:

Systems Administrator

At KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with customers in more than 85 countries and operations in over 28 countries. KBR is proud to work with its customers across the globe to provide technology, value-added services, and long-term operations and maintenance services to ensure consistent delivery with predictable results.

Trinzic is the future independent company to be created through the planned spin-off of KBR's Mission Technology Solutions business, expected in January 2027. Our people work at the frontier of what is possible, delivering solutions in challenging environments and advancing some of the world's highest-priority national security and space missions.

Backed by decades of mission success, deep expertise, and trusted partnerships, Trinzic will launch as a global organization with more than 18,000 employees supporting customers around the world. Join us at a defining moment and help shape the future of a company built to tackle complex challenges and make a meaningful impact.

Candidates who join KBR's Mission Technology Solutions business before the spin-off will transition to Trinzic when the separation is complete and will not need to reapply for employment.

Belong. Connect. Grow. with KBR!

KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country’s most critical role – protecting our national security.

Why Join Us?

• Innovative Projects: KBR’s work is at the frontier of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions.

• Collaborative Environment: Be part of a dynamic team that thrives on collaboration and innovation, fostering a supportive and intellectually stimulating workplace.

• Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.

KBR is seeking a Systems Administrator to join our team

The successful candidate will Provide Systems Administration support to the Test Resource Management Center’s (TRMC) All Domain Test Range (ADTR) and INDOPACOM Pacific-Rim Multi-Domain Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN), Defense Research and Engineering Network (DREN);

As a SA, you will be a critical part of our team responsible for evaluating customer requirements on complex technical challenges. You will aid by providing solutions to complex problems in a manner which meets both functional and security requirements. You will handle keeping the team’s testing environment operational and in compliance with all TRMC directives and applicable RMF requirements. To do this you will often work with other distributed team members to discuss current system status and desired future enhancements.

Responsibilities:

• Responsible for the administration of computer systems hardware, network gear, software, information systems & peripheral equipment such as servers, desktops, zero clients, storage devices, and virtualization infrastructure.
• Install, support, upgrade, and configure systems (Windows/Linux/VMWare/SQL Server, Horizon UAG, VDI) Maintain security and recovery procedures such as patching, applying STIGs, and performing backups of systems.
• Administration of infrastructure including servers, zero clients, malware protection software, HBSS, syslog servers, databases, ACAS, etc.
• Upgrade systems and processes as needed for enhanced functionality and/or security issue resolution.
• Find potential risks or inefficiencies associated with the configuration of the system and recommend mitigation strategies.
• Ensure compliance with data security policies, relevant legal and regulatory requirements, and TRMC cyber security program implementation plans following TRMC directives and applicable RMF requirements.
• Authors and/or reviews team standard operating procedure (SOP) documentation to ensure consistent systems configuration and knowledge transfer to other team members.

Required Qualifications:

• MUST HAVE an ACTIVE Top Secret
• Minimum of 10 years' experience in Systems Administrator role
• Education: Technical bachelor's degree (experience may be substituted in lieu of degree)
• Able to lift up to 35 lbs.
• Willing to travel up to 20%
• Strong background in the setup, configuration, and maintenance of virtualization environments -VMware preferred (VxRail, vSphere, vDS, NSX) Strong Windows Skills (Active Directory, Group Policy, DNS, Web Application Proxy, ADFS, PKI) Strong Linux Skills (Docker, Containers, Kubernetes, RHEL, Satellite, scripting, ansible playbooks) Strong documentation skills (Writing SOPs, Creating Networking Diagrams)

Desired Qualifications:

• Virtual Desktop Infrastructure – Horizon, UAG, Provision and Maintain VM pools Solid understanding and experience supporting zero clients Experience supporting systems within a DoD Risk management Framework (RMF) accredited environment SIEM (Splunk, SolarWinds, etc.) Coordination, Communication and Presentation skills Layer 2/3 Networking experience
• Firewall Experience DoD 8570 certifications (Security+, CISSP, Computing Environment)
• Experience working with DoD Wide Area Networks and familiarity with various network architectures and common protocols to include:
• Experience working with Defense Research and Engineering Network (DREN)
• Experience working with the Secret Defense Research and Engineering Network (SDREN) EPO (Trellix) experience - policy, agent updates, compliance dashboards ACAS experience - scanning, reporting, compliance dashboards

Basic Compensation:

$130,000 - $170,000 (For Maryland Only)

$130,000 - $170,000 (For Virginia Only)

$120,000 - $150,000 (For Nevada Only)

$130,000 - $170,000 (For California Only)

The offered rate will be based on the selected candidate’s knowledge, skills, abilities and/or experience and in consideration of internal parity.

Belong, Connect and Grow at KBR

At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team’s philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver – Together.

KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.