System Administrator
Company: Radiance Technologies
Location: Huntsville
Posted on: April 1, 2026
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Job Description:
Radiance Technologies is an employee-owned company with benefits
that are unmatched by most companies in the Huntsville AL area.
Employee ownership, generous 401K, full health/dental/life/vision
insurance benefits, interesting assignments, educational
reimbursement, competitive salaries, and a pleasant work
environment combine to make Radiance Technologies a great place to
work and succeed. Radiance is searching for an experienced Systems
Administrator to provide support to critical computer systems and
network infrastructure at the corporate facility. The qualified
candidate will provide design, maintenance, sustainment, and
enhancement support for the architecture in a classified
environment; ensure compliance with applicable information
assurance requirements; ensure 24/7 continuity of operations; and
create and update relevant system documents. Work hours are normal
business hours, however, occasional support during non-business
hours may be required. Successful candidates will have the
following behavioral competencies: Great attitude with high degree
of customer focus. Flexible and adaptable to changing priorities.
Solid trouble-shooter, problem solver. Reliable and committed to
getting the job done (including after hours as required). Excellent
coping skills and the ability to juggle multiple priorities.
Self-managed; able to work independently or with a team as well as
the leadership skills necessary to lead a group of technical team
members as required. Able to be objective and receive input from
specialized team members according to their areas of expertise. Job
Responsibilities: Install, configure, and maintain servers,
desktops, and network devices in WAN/LAN environment and in
accordance with applicable cybersecurity policies. Responsible for
Patch Management for a fleet of information systems, including
Windows and Linux operating systems. Perform hardware/software
implementation and integration, and general infrastructure support.
Prepare documentation related to system configurations and
baselines. Responsible for providing backup and recovery services;
manage file systems and disk space. Provide daily, on-site, support
for the operations/maintenance. Performs troubleshooting for
hardware, software, and network problems. Responsible for user
account and access control management in a domain or stand-alone
environment. Required Experience Minimum seven (7) years of
experience as a System Administrator performing the patching,
installation, configuration, maintenance, and flaw remediation of
servers, workstations, and other computer components in accordance
with all applicable STIGs on a classified network. Basic knowledge
of Risk Management Framework requirements and how they impact the
configuration requirements for Windows and Linux systems. Working
knowledge of network concepts and Type 1 encryption devices, such
as TACLANE. Experience configuring and securing network equipment
(switches and firewalls). Demonstrated experience deploying and
managing multiple networks in a dynamic, demanding air-gapped
classified environment. Working knowledge of WAN/LAN, to include
Cisco-based routers, switches, and firewalls Required
Qualifications Excellent written and verbal communication skills
and ability to effectively interface with numerous cognizant
security agencies, customers, and senior management. Ability to
manage multiple networks in a dynamic, demanding environment.
Minimum of a valid Secret clearance with in-scope background
investigation date. DoD Directive 8570 / 8140 Information Assurance
Technical (IAT) Level II certification. (e.g., Security CE, CCNA
Security, CySA, GICSP, GSEC, CND, SSCP) Prior experience as a
System Administrator at an organization of similar size and
complexity. Understanding networking concepts and cybersecurity
related tools to include, Defense Information Systems Agency (DISA)
Security Technical Implementation Guides (STIG) and Security
Content Automation Protocol (SCAP), and vulnerability scanners.
Ability to work in an agile environment, with a focus on continuous
improvement and delivery. Desired Qualifications Basic knowledge of
Risk Management Framework such as DAAPM, JSIG, and NIST/DFARS
compliance security controls requirements and how they impact the
IT configuration requirements for Windows and Linux systems. Strong
risk management skills, excellent communication, teamwork, and
conflict management skills. Strong problem-solving skills, with the
ability to read documentation and find solutions to technical
issues independently. Demonstrated experience with integrating
Linux workstations and servers with Windows Active Directory.
Experience with configuring and executing SIEM tools (e.g. Splunk,
ELK), vulnerability management tools (Tenable Nessus), Network
Storage devices (e.g. NetApp, Synology, etc.), monitoring tools
(e.g. Wireshark, Snort, PRTG, etc.), and compliance tools (e.g.
SCAP, SCC Tool, OpenSCAP, etc.). Experience with providing backup
and recovery services; managing file systems and disk space.
Experience with desktop and server virtualization using VMWare
vSphere and EXSI. Radiance Technologies is an Equal Opportunity
Employer. All qualified applicants will receive consideration for
employment without regard to race, color, religion, sex, sexual
orientation, gender identity, national origin, disability, or
protected veteran status.
Keywords: Radiance Technologies, Birmingham , System Administrator, IT / Software / Systems , Huntsville, Alabama
