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Cyber Tools Administrator​/Trellix Administrator - Majestic

Remote / Online - Candidates ideally in
Springfield, Fairfax County, Virginia, 22161, USA
Listing for: Huntington Ingalls Industries
Full Time, Remote/Work from Home position
Listed on 2026-09-18
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 85018 - 160000 USD Yearly USD 85018.00 160000.00 YEAR
Job Description & How to Apply Below

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Requisition Number:28672

Required Travel: 0 - 10%

Employment Type:

Full Time/Hourly/Non-Exempt

Anticipated Salary Range:$85,018.00-$

Security Clearance:

TS/SCI

Level of

Experience:

Mid

This opportunity resides with Warfare Systems (WS), a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5

ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:

  • Know & Grow Your People
    – Commit to learning and supporting team success.
  • Build Relationships
    – Communicate openly, collaborate well, and build trust.
  • Take Ownership
    – Deliver on commitments and take pride in your work.
  • Customer First
    – Focus on the mission and those we serve.
  • Shape the Future
    – Bring ideas, curiosity, and continuous improvement.
  • Act with Urgency
    – Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

Summary

HII's Mission Technologies division focuses on delivering advanced solutions for national security and defense. This role specifically resides in our Cyber and Intelligence division and will help support Enterprise Level Security & Modernization for IT, Cyber, facilities and personnel. We’re looking for motivated and mission-oriented individuals to join our incredible team in the DC area!

As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.

What you will do

The Cybersecurity Tools Administrator is responsible for the following activities:

  • Implementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR)
  • Configuring, troubleshooting, administering, and maintaining the hardware and software required to effectively manage cybersecurity toolsets for an Enterprise
  • Developing and maintaining system documentation as it pertains to endpoint and network security capabilities and their implementation (CONOPs, SOPs, etc.)
  • Building tuning rules, alerts, and response activities that detect and mitigate perceived threats within the operational environment
  • Monitoring, analyzing, and escalating indicators of compromise or anomalous activities identified via cybersecurity toolsets
  • Developing reports and providing statuses on system health, wellness, availability, and issue mitigation progress
What we are looking for
  • Bachelors degree in related field and 2-9+ years of experience OR;
  • Masters degree in related field and 0-7+ years of experience OR;
  • High School diploma or equivalent and 6-13+ years of experience
  • Current IAT level II certification (Sec+, CYSA, etc.) or ability to complete certification within 90 days of starting position.
  • Strong background in cybersecurity processes in an enterprise environment
  • Active TS w/ SCI required to start with the ability to obtain and maintain a CI poly after starting
Physical Requirements
  • May require working in an office, industrial, or laboratory environment.
  • Capable of climbing ladders…
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