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System Administrator; Windows

Job in Rock Island Arsenal, Rock Island County, Illinois, USA
Listing for: Seneca Holdings
Full Time position
Listed on 2026-03-02
Job specializations:
  • Security
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Position: System Administrator (Windows)
Location: Rock Island Arsenal

About Western Door Federal

Western Door Federal is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is the federal government contracting business wholly owned by the Seneca Nation of Indians. SNG meets mission‑critical needs of federal civilian, defense, and intelligence community customers across a variety of domains. The SNG portfolio receives shared services support from its parent company Seneca Holdings and is comprised of multiple companies that participate in the Small Business Administration 8(a) program.

Western Door Federal offers competitive compensation and a strong benefits package including comprehensive medical and dental care, matching 401(k), paid time off, flexible spending accounts, disability coverage, and other benefits that help provide financial protection for you and your family. We pride ourselves on a collaborative work environment and a culture that embraces our mission of providing financial and non‑financial benefits back to the members of the Seneca Nation.

Position Overview

This position is to provide the Knowledge and Data Management Branch (KDM) of DEVCOM Chemical Biological Center located at Rock Island Arsenal, IL. KDM develops and maintains information systems for several government customers. The majority of the KDM mission supports the Joint Executive Program Office for Chemical, Biological, Radiological, and Nuclear Defense (JPEO‑CBRND). This mission directly supports the acquisition programs for CBRN Equipment (CBRNE) for the Warfighter.

KDM requires contractor support using non‑personal services contracts to execute their mission of developing accredited information systems.

Western Door Federal is seeking a Systems Administrator in Rock Island Arsenal, Rock Island, IL. The objective of this work is to provide on‑site support and be responsible for the day‑to‑day performance of the work/contract. Work under general technical direction, install, configure, and maintain operating systems, servers, and resources either in the government owned cloud, or servers.

Responsibilities
  • Perform software installation and upgrades to operating systems, scheduling and coordinating these activities with the KDM software development team ahead of time.
  • Follow system accreditation and risk management controls and not compromise the system or cloud environment security accreditation.
  • Monitor and tune the system/cloud environment to maintain optimal performance.
  • Maintain regular system backups and restore the system to a pre‑failure state or restore data from backup media, including the entire system: operating system(s), data, databases, software, any virtual machines, etc.
  • Work in a software development life cycle, apply security and vulnerability best practices, and require little or no instruction and guidance in performing routine tasks and updating change management systems to document system changes.
  • Provide recommendations, as needed, regarding hardware and system software planning and cost estimates.
  • Collaborate with other members of the DEVCOM CBC KDM, understand and implement change requests, and demonstrate superb interpersonal and communication skills.
  • Participate in team meetings with the government to improve understanding of the mission, tools, concepts, frameworks, and increase effectiveness in maintaining government computer systems.
  • Deliver and prepare hardware, software, and system audits. Work with the government team lead on identifying, recommending, verifying, and reviewing audit log key/value pairs to report on.
  • Prepare monthly audit reports to the government.
  • Monitor system performance data and compile a monthly performance report for the government.
  • Communicate with the government team lead on the details of what data to collect and the format of the report.
  • Manage and store all system hardware, software license, and maintenance agreements whether for government server or cloud environments. The documentation shall include copies of invoices for purchases and license keys, subscription numbers, and login information to OEM or vendor systems to obtain entitlements. The storage location for the files should be a government owned system or…
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