Information Systems Security Officer (ISSO)

Company: Avint
Location: Washington
Posted on: February 18, 2026

Job Description:

Job Description Job Description Avint, LLC is seeking a highly skilled and mission-driven Information System Security Officer (ISSO) to join our team. The ideal candidate will bring deep technical expertise, hands-on experience securing complex systems, and a strong understanding of U.S. Government cybersecurity standards. This role requires a cybersecurity professional who can confidently lead system authorization activities, oversee compliance efforts, and ensure the security and integrity of both cloud and on-premises environments. Candidates must be U.S. citizens with an active Top Secret clearance and SCI eligibility , hold a DoD 8570 certification (such as CISSP or Security), and be comfortable working on-site in Washington, D.C. or across the DC Metro area five days per week . This position also requires the ability to travel domestically and internationally up to 25%. Requirements Position Requirements: U.S. citizenship Active U.S. DoD Top Secret clearance with SCI eligibility Active DoD 8570 certification (e.g. CISSP, Security) Be on site in Washington, DC or customer location in the DC Metropolitan area 5 days per week Ability to travel domestically and internationally up to 25% of the time Background in systems administration, software development, systems engineering, and/or deep familiarity with Linux operating systems Experience with risk management framework (RMF) software systems (eMASS, Xacta, etc) Experience with information system scanning utilities (Nessus, OpenSCAP, etc) Experience with cloud and on premises environments Experience assessing and authorizing IT systems against U.S. Government standards such as FISMA, FedRAMP, and NIST SP 800-53 Benefits Joining Avint is a win-win proposition! You will feel the personal touch of a small business and receive BIG business benefits. From competitive salaries, full health, and generous time off and Federal Holidays. Additionally, we encourage every Avint employee to further their professional development. To assist you in achieving your goals, we offer reimbursement for courses, exams, and tuition. Interested in a class, conference, program, or degree? Avint will invest in YOU and your professional development! Salary range $110,000 to $115,000

Keywords: Avint, Bethesda , Information Systems Security Officer (ISSO), IT / Software / Systems , Washington, Maryland