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IT Security Specialist; Computer Sys Security Anlyst Security Clearance

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: HII Mission Technologies
Full Time position
Listed on 2026-01-13
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Information Security, Systems Administrator
Job Description & How to Apply Below
Position: IT Security Specialist (Computer Sys Security Anlyst 4) - 26594 with Security Clearance
Requisition Number: 26594 Required Travel: 0 - 10%

Employment Type:

Full Time/Salaried/Exempt Anticipated Salary Range: $ - $ Security Clearance:
Ability to Obtain Level of

Experience:

Senior This opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business. As a trusted partner to our military customers, HII designs, develops and operates the largest LVC enterprise that prepares warfighters for cross-domain battle. With advanced technologies to enable mission readiness, HII understands that preparation requires full coordination-not readiness in piece-parts.

For more than 40 years, the U.S. Navy has entrusted HII to maintain and modernize the vast majority of its fleet. With a holistic approach to life-cycle maritime defense systems-from small watercraft to submarines, surface combatants and aircraft carriers-HII ensures a high state of readiness. HII supports the Department of Energy's national security mission through the management and operation of its sites, as well as the safe cleanup of legacy waste across the country.

HII meets clients' toughest nuclear and environmental challenges. Meet HII's Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5

ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that's right for you. Apply today. We look forward to meeting you. To learn more about Mission Technologies,  for a short video:  

Job Description Mission Technologies, a division of HII, is seeking an IT Security Specialist to support the United States Postal Service (USPS) Office of Inspector General (OIG). The IT Security Specialist is responsible for the application security function and for information technology security (Cybersecurity/Info Sec) engineering, and design and serves as a technical expert authority. The OIG's information resources are sensitive assets and are critical in the performance of its mission, therefore information security services help safeguard the information resources entrusted to the OIG.

This role can be worked remotely from anywhere in the U.S., however there is preference for a candidate local in the Washington DC metro area to be near the customer site. Essential

Job Responsibilities
* Solve significant problems complicated by interfaces and inter-relationships between and among programs, systems, functions, applications, and numerous critical issues for agency-wide information technology solutions, operations, and maintenance supporting the security of agency infrastructure, systems, and information.
* Manages and administers a wide range of security systems and tools:
* Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager);
Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal);
Microsoft Security and Compliance Center;
Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.
* Responsible for primary or alternate management of all IT Security systems including patch management, upgrades, integration engineering, and reporting.
* Executes security related operational activities:
* Manages security incident detection, response, remediation.
* Conducts cyber threat and vulnerability analysis and remediation.
* Develops security metrics and manages reporting and compliance.
* Serves as Incident Response Team member.
* Supports operational…
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