GCI
GCI2mo ago
New↻ Repost

Systems Admin Sr Adv (TS/SCI with Poly Required)

United StatesUnited States·Wasenior
OtherSystems Admin
0 views0 saves0 applied

Quick Summary

Key Responsibilities

Collaborate with peers, co-workers and customers by using Teams, Outlook, telephone, or any other tools available in the work environment. Provide IT customer service, create, unlock,

Requirements Summary

Position supports both medium-sized business network and small program networks with multiple us

Technical Tools
OtherSystems Admin

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Senior Systems Administrator, a typical day will include the following duties:

Position supports both medium-sized business network and small program networks with multiple users on several different domains. Requires responsive and active management to include all system administrator duties related to servers and end user devices.  Demonstrated knowledge of and experience with installing and maintaining software and hardware is essential. Must work closely with information assurance (IA) team and be skilled in scanning tools (Nessus, Rapid 7, SCAP, NMAP) and isolating and mitigating any vulnerabilities (WSUS).

Implementing controls per NIST 800 series of standard publications (800-171, 800-171A, 800-53, 800-37) employing the risk management framework to include FedRAMP and Government Community Cloud.

Advises senior leadership on IT procurement, and asset management, conducts research on tools that streamline business processes, and automate repeatable functions. Must work well under pressure and be capable of meeting deadlines in an environment where priorities can shift to adapt to evolving missions, goals, and objectives (Agile focus).

Experience mentoring more junior administrators with possibility of providing supervisory oversight, if desired.

Primary Responsibilities:

  • Collaborate with peers, co-workers and customers by using Teams, Outlook, telephone, or any other tools available in the work environment.
  • Provide IT customer service, create, unlock, assign permissions and roles to accounts.
  • Conduct daily, weekly, and monthly scans on systems.
  • Apply patches, updates and any other mitigation actions.
  • Attend meetings with support staff, and program managers to identify priorities.
  • Investigate and troubleshoot any IT issues.
  • Develop and maintain system documentation.
  • Install, modify, and repair computer hardware and software including networking gear.
  • Support program and organizational logistics/procurement and property accountability.
  • Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled events such as backups.
  • Maintain standalone systems (patches, virus definitions, etc.)

 

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance. 

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans 

Location & Eligibility

Where is the job
Wa, United States
On-site at the office
Who can apply
US

Listing Details

Posted
July 29, 2026
First seen
September 27, 2026
Last seen
September 27, 2026

Posting Health

Days active
0
Repost count
1
Trust Level
13%
Scored at
September 27, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
Newsletter

Stay ahead of the market

Get the latest job openings, salary trends, and hiring insights delivered to your inbox every week.

A
B
C
D
Join 12,000+ marketers

No spam. Unsubscribe at any time.

GCISystems Admin Sr Adv (TS/SCI with Poly Required)