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Vantor

Information System Security Officer (ISSO)

Sorry, this job was removed at 01:04 p.m. (MST) on Monday, Aug 17, 2026
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In-Office
Herndon, VA
113K-165K Annually
Senior level
In-Office
Herndon, VA
113K-165K Annually
Senior level

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Serve as the Information System Security Officer supporting secure DoD mission systems: execute RMF, vulnerability management, A&A deliverables, continuous monitoring, security event log analysis, configuration control, and hardware/software hardening while coordinating with ISSM, engineers, and security leadership in an Agile environment.
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Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next.  Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

Vantor is seeking an Information System Security Officer (ISSO) to support secure mission systems in Herndon, VA. In this role, you will partner with systems engineers, software engineers, integration and test teams, the ISSM, and security leadership to maintain the security posture of integrated hardware and software environments. You will support DoD information assurance activities, RMF execution, vulnerability management, and continuous monitoring in an Agile Scrum environment.

Responsibilities

  • Oversee Information Assurance compliance for USG network integrated systems to include software vulnerability testing and hardware hardening.
  • Work closely with the Information System Security Manager (ISSM) and Security Manager in the operations and management of the Information Assurance (IA) and Computer Security (CS) for program networks.
  • Provide experience with the Risk Management Framework (RMF) process and its application under the DoD in this position. 
  • Analyze and resolve INFOSEC technical problems. Configures testbeds and conducts testing, records and analyzes results, and provides recommendations for improvements for the products/systems under test.
  • Support full lifecycle Assessment and Authorization (A&A) deliverables, Security Control Traceability Matrix (SCTM) and Plan of Action and Milestones (POA&M).
  • Configuration Control to include: Software/hardware authorizations, network configuration changes, and system security engineering.
  • Maintain day-to-day security posture and continuous monitoring of IS including security event log review and analysis.

Minimum Qualifications

  • Must be U.S. Citizen and have active TS security clearance and be willing and able to obtain CI Polygraph .
  • Ability to travel up to 5% as needed.
  • Bachelor’s degree in computer science, information systems, engineering, business or related scientific or technical discipline. 4 years of additional experience may be substituted for a degree.
  • 5 years of relevant experience.
  • Familiarity with DoD software policies and DoD system security requirements to include National Industrial Security Program Operation Manual (NISPOM).

Preferred Qualifications

  • Current active TS/SCI clearance.
  • IAT Level II certification.
  • Experience working on UNIX/Linux platforms and TCP/IP security.
  • Previous experience as a security professional in a SAP/SCI environment on government contracts.
  • Strong verbal and written communication skills to work in a collaborative team environment.
  • Experience with Atlassian Jira issue tracking software.
  • Agile development and/or SCRUM experience.
  • Experience with SharePoint.
  • Experience supporting DoD information collection systems.
  • Effectively work in a fast-paced operations support environment as part of an Agile Scrum team.

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Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.

 ● The base pay for this position within the Washington, DC metropolitan area is: $113,000.00 - $150,000.00 - $165,000.00 annually.

For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire.  If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire. 

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.

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