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ISSO Security Clearance

Job in Dahlgren, King George County, Virginia, 22448, USA
Listing for: Apex Systems
Full Time position
Listed on 2026-01-01
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Job Description & How to Apply Below
Position: ISSO with Security Clearance
Apex Systems is currently hiring for an Information Systems Security Officer (ISSO) with a U.S. Navy client. Project Details / Mission Supported:
* Support cybersecurity initiatives for U.S. Navy systems in Dahlgren, VA.

* Conduct vulnerability scans and identify security weaknesses using DoD tools such as ACAS and HBSS.

* Apply system, network, and operating system hardening techniques to maintain compliance and security posture.

* Perform application vulnerability assessments and risk/impact evaluations.

* Troubleshoot and resolve cyber defense infrastructure anomalies.

* Share insights to improve organizational risk management and threat mitigation strategies. Qualified candidates will have the following experience and skills:
* Must hold
** CASP or CISSP certification**.

* Experience conducting vulnerability scans and using DoD network analysis tools (e.g., ACAS, HBSS).

* Strong knowledge of computer networking concepts, protocols, and network security methodologies.

* Proficiency in system, network, and OS hardening techniques.

* Ability to apply cybersecurity and privacy principles relevant to confidentiality, integrity, and availability.

* Familiarity with VPN devices, encryption, and securing network communications.

* U.S. citizenship required; ability to obtain and maintain a
** DoD Top Secret clearance**.

Location:

Dahlgren, VA Onsite expectation: 4 days onsite, 1 day telework Clearance Level: Top Secret

PLEASE NOTE:

Candidates must be able to obtain and/or maintain a Department of Defense Top Secret security clearance as a condition and continuation of employment. If you are interested, please apply here or email an updated copy of your resume to Apex Systems Military & Veteran Programs At Apex Systems, we are proud to support those who serve.

Our commitment to the military community is reflected in our robust veteran hiring initiatives, military-friendly workplace policies, and nationally recognized programs. We value the leadership, discipline, and mission-first mindset that military professionals bring to our team. Join us in continuing your mission. Why Apex is a Top Choice for Veterans and Military Talent:
* Military-Friendly

Employer:

Recognized as a Military Friendly® Employer for multiple consecutive years.

* Transition Programs:
DoD Skill Bridge program with multiple pathway options.

* Veteran Hiring Commitment:
We actively partner with multiple veteran and military organizations that specialize in IT upskilling and certification training, helping service members and veterans transition into high-demand tech careers.

* Apex Military Network:
Internal employee resource group supporting veterans, Guard/Reserve members, and their families. Apex Benefits Overview Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure.

Apex also offers a HSA (Health Savings Account on the HDHP plan), a Support Linc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA.

Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide. Apex Systems is an equal opportunity employer.

We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual…
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