Sr Systems and Network Administrator
Listed on 2026-07-26
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IT/Tech
Systems Administrator, Cybersecurity, IT Support, Network Security
Sr Systems and Network Administrator
Description
Who We Are
Textron Systems is part of Textron, a $14 billion, multi-industry company employing 35,000 talented makers, thinkers, creators and doers worldwide. We make things that fly, hover, zoom and launch. Things that move people. Protect soldiers. Power industries. We serve customers in industries spanning aerospace and defense, specialized vehicles, turf care and fuel systems.
This role is in Textron System’s Legal business area. Visit & to read more about who we are and the products we make!
About This Role
Senior Systems & Network Administrators collaborate with a diverse team to support classified information systems. Success in this role means you can develop, implement, and maintain secure, cost-efficient environments supporting the warfighters. Program teams rely on your collaboration and guidance to define computing requirements and develop solutions to solve infrastructure problems. Knowledge of Windows and Linux desktop and server operating systems is required.
Senior Systems & Network Administrator is responsible for information system patching, anti-virus updates and installations, vulnerability management, and user account management. You will work with Cybersecurity professionals, such as ISSM, ISSO, ISSE to maintain security compliance requirements. This candidate will perform desktop support, resetting passwords, installing, network configuration and troubleshooting, upgrading applications, and respond to incidents that occur on the classified information systems.
Typical duties:
Managing active directory and group policy; system backups; configuration management services; system patching; network and system monitoring; system diagnosis, troubleshooting and repair; tech refresh and upgrades; technical meetings; maintaining, configuring, and updating baseline configurations per Risk Management Framework (RMF) requirements.
Qualifications
Required Skills/
Qualifications:
Bachelor’s degree in computer science, Information Technology, or related field.
Hold and maintain an active DoD Top Secret clearance or Secret (Minimum).
A minimum of 3 years’ experience as a Network / System Administrator, with a proven track record of managing complex IT environments.
Proficiency in Windows and Linux operating systems
Strong experience with virtualization technologies.
Excellent knowledge of network protocols, security, and troubleshooting
In-depth understanding of storage solutions and backup strategies
Have and be able to retain relevant certification (e.g., Security , CySA , CCNA
MCSE, RHCE, etc.)
Possess excellent organizational and reporting abilities; strong technical, analytical, and problem-solving skills; and strong written and verbal communication skills
Ability to work in a fast-paced and collaborative environment.
Exceptional skills at developing/updating documentation.
Demonstrated system administrator experience, including administration and configuration of STIG security policies for Windows servers and workstations.
Demonstrated skills and abilities to manage a lab environment including the maintenance and upkeep of hardware and the installation and/or upgrading of system software.
Be able to plan and follow schedules with little oversight or direction.
Familiarity with Risk Management Framework (RMF)
Practical experience in the design, implementation, configuration, and maintenance of enterprise classified network computing infrastructure including but not limited to:
Ethernet switches, routers, firewalls, IDPS, and physical switching systems.
Familiarity with IP telephony
COMSEC (Communications security) experience with the TACLANE (Tactical Local Area Network Encryption) line of In-Line Network Encryptors (INE); programming and operating approved key fill devices; and performing hands‑on installation, maintenance, configuration and troubleshooting of COMSEC equipment.
Education Qualifications and Clearance:
Bachelor’s degree in computer science, Information Technology, or related field.
Current working knowledge and a minimum of (3) year relevant experience based on the duties described above in accordance with the DoD and/or Non‑DoD security…
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