Information Systems Security Engineer (ISSE)

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.

This position requires an active U.S. Government Security Clearance at the TS/SCI level with required polygraph.

Vantor is seeking an experienced Information Systems Security Engineer (ISSE) to support the secure development, deployment, and maintenance of mission-critical tools for our sponsor. This role is responsible for leading Assessment & Authorization (A&A) activities, managing accreditation and authorization processes, identifying and mitigating security risks, and collaborating across technical and security stakeholders.

Responsibilities:

• Lead Assessment and Authorization (A&A) and Information Assurance activities in accordance with the Risk Management Framework (RMF)
• Ensure secure development, deployment, and maintenance of systems, including managing accreditation and authorization processes
• Identify, assess, and mitigate security risks across the system lifecycle
• Provide expert guidance on system architecture, configurations, and data flows from development through decommissioning
• Support project teams in selecting and implementing appropriate security controls
• Recommend mitigation strategies for vulnerabilities, including POA&Ms and system exceptions
• Assist in remediation of findings identified through security assessments
• Maintain close coordination with the ISSM office, translating guidance into practical, low-risk implementations
• Develop, track, and execute RMF packages and Plans of Action and Milestones (POA&Ms) to address cybersecurity findings
• Serve as a representative to cloud and security governance groups
• Engage with C2E and cloud service providers to support secure integration with customer systems

Minimum Qualifications:

• Active TS/SCI clearance with required polygraph
• Bachelor's degree in a related field with 12+ years of experience; OR Master's with 10+ years; OR Doctorate with 8+ years
• Demonstrated experience supporting A&A and RMF processes
• Strong knowledge of DISA STIGs and hands-on experience with STIG Viewer
• Deep understanding of current cybersecurity risks, protocols, and best practices
• Experience working across system lifecycles in secure environments

Preferred Qualifications:

• Experience working in IC or DoD environments
• Familiarity with cloud environments (AWS, Azure, or C2E)
• Experience with security tools such as ACAS, SCAP, or vulnerability management platforms
• Relevant certifications (e.g., Security+, CISSP, CASP+)

Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate's starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.

• The base pay for this position within the Washington, DC metropolitan area is: $113,000.00 - $188,000.00 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.