Full-Time

System Administrator 3

Multiple Teams

Posted on 9/24/2025

Barnett Engineering & Signaling Laboratories

Barnett Engineering & Signaling Laboratories

11-50 employees

Defense contractor delivering systems engineering.

Compensation Overview

$85k - $125k/yr

No H1B Sponsorship

Frederick, MD, USA

In Person

Travel up to 10-15%, must be able to achieve and maintain a U.S. Passport.

US Citizenship, US Top Secret Clearance Required

Category
IT & Security (1)
Required Skills
TCP/IP
Ansible
Splunk
Linux/Unix
Requirements
  • Minimum 2 years of experience with Linux/Unix/Microsoft environment.
  • Red Hat RHCSA certification or completion within 6 months of employment.
  • Minimum 2 years of experience with helpdesk operations or application management.
  • Experience implementing or operating within DoD technical security concepts and practices such as STIGs, ACAS, Splunk, and SCC.
  • Knowledge of principles of data flow (e.g., TCP/IP, OSI model).
  • Experience in providing system administration support to both physical and virtual machines.
  • Able to perform physical and virtual machine image backups and restoration.
  • Experience implementing patches, scanning, remediating findings, and auditing.
  • Experience with virtualization (KVM, Ansible, VMWare hypervisor/vSphere v6.5).
  • Experience with account management in Red Hat IdM (FreeIPA).
  • Experience conducting server maintenance and server component replacement.
  • Experience working with UHF antennas and RF environment.
  • Experience with Splunk log analysis for cybersecurity or preventive maintenance opportunities.
  • DOD 8570.01M IAT 2 Certification.
  • Must be a U.S. Citizen and able to achieve and maintain a DOD Security clearance.
Responsibilities
  • Responsible for the internal or customer administration, maintenance, and management of capacity resources for computers at the operating system and infrastructure level.
  • Builds, configures, troubleshoots, and integrates new and existing servers to provide service enhancements, application deployments, and infrastructure upgrades.
  • Recommends software and hardware enhancements, diagnoses, and corrects issues.
  • Defines and implements new services with the goal of achieving maximum server uptime and availability for customers.
  • Responsible for providing help desk phone support and conduct action item ticket management.
Desired Qualifications
  • Working knowledge of RMF and cybersecurity requirements.
  • Experience in the management of directory services (LDAP), interfaces and middleware.
  • Experience with vulnerability scanning tools (ACAS, SCC, etc.).
  • Experience with supporting DoD/government customers.
  • Ability to work and grow in a dynamic, fast paced, team-oriented environment.
  • Ability to support critical operations during standard, and on occasion, non-standard working hours.
  • DOD 8570.01M IAT 3 Certification.
Barnett Engineering & Signaling Laboratories

Barnett Engineering & Signaling Laboratories

View

Barnett Engineering & Signaling Laboratories provides technical, engineering, and intelligence support services to the U.S. Department of Defense and national security agencies. The company delivers these services through systems engineering, cybersecurity, and specialized training, while also developing internal hardware and software prototypes like the LINKWarden network defense platform. As a Service-Disabled Veteran-Owned Small Business, it distinguishes itself by combining deep military intelligence expertise with an internal research and development program called the "Collaboratory." Its goal is to provide the U.S. government with specialized solutions for space control, signal intelligence, and network defense to enhance national security.

Company Size

11-50

Company Stage

N/A

Total Funding

N/A

Headquarters

Colorado Springs, Colorado

Founded

2006

Simplify Jobs

Simplify's Take

What believers are saying

  • DoD awarded BESL FA945321P0568 contract in 2021 for Air Force engineering.
  • BESL received $350,000 funding to expand defense R&D prototyping.
  • BESL leverages 2016 Air Force Mentor-Protégé partnership with L3Harris.

What critics are saying

  • DoD FY2026 cuts eliminate BESL's SIGINT and space control contracts.
  • L3Harris internalizes LINKWarden, terminates BESL subcontracts within 12-24 months.
  • VA revokes BESL's SDVOSB certification due to ownership failures.

What makes Barnett Engineering & Signaling Laboratories unique

  • BESL develops LINKWarden software-defined firewall via Collaboratory R&D.
  • BESL created Defensive Space Control Mission Visualization Platform prototype.
  • BESL specializes in SIGINT, cyber operations, and space control engineering.

Help us improve and share your feedback! Did you find this helpful?

INACTIVE