Senior ISSO - TS/SCI Clearance, Mission-Critical Security

Vantor Services Inc.; Reston (VA); On-site; USD 120,000 - 176,000; Full time

Benefits offered by this job

401(k) with company match

Mental health resources

Student loan repayment assistance

Adoption reimbursement

Pet insurance

Job summary

Vantor is seeking an ISSO to support DoD/IC programs from our Reston, VA location. The role requires an active TS/SCI with CI polygraph and US citizenship, with direct experience in government IT environments and security compliance.

Responsibilities include coordinating with ISSEs and stakeholders, leading ATO processes, and preparing accreditation packages. A background in RMF/NIST standards is highly valued, with on-site support for a critical mission and opportunities for professional growth.

Qualifications

• Must be a US citizen with an active TS/SCI with CI polygraph.
• Bachelor’s degree or 4 years of related experience may substitute for degree.
• Ability to communicate highly technical analyses to government representatives.
• Experience with Microsoft Office Suite (Word, Excel, PowerPoint) and RMF/NIST guidance.

Responsibilities

• Coordinate with ISSEs/Tech Leads to implement solutions during development.
• Lead ATO processes and act as primary contact for customer engagements.
• Prepare and maintain A&A packages (BoE/ConOps, SSPs SCTM).

Skills

US Government IT experience

Security clearance TS/SCI with CI Poly

Clear and concise technical analyses

Education

Bachelor’s degree

Tools

Microsoft Word

Microsoft Excel

PowerPoint

Job description

Vantor is seeking an ISSO to support DoD/IC programs from our Reston, VA location. The role requires an active TS/SCI with CI polygraph and US citizenship, with direct experience in government IT environments and security compliance.

Responsibilities include coordinating with ISSEs and stakeholders, leading ATO processes, and preparing accreditation packages. A background in RMF/NIST standards is highly valued, with on-site support for a critical mission and opportunities for professional growth.