<p>General information</p> <p>Requisition #</p> <p>R66838</p> <p>Locations</p> <p>USA-DC-Washington</p> <p>Posting Date</p> <p>03/27/2026</p> <p>Security Clearance Required</p> <p>TS/SCI</p> <p>Remote Type</p> <p>Onsite</p> <p>Time Type</p> <p>Full time</p> <p>Description & Requirements</p> <p>Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!</p> <p>MANTECH seeks a motivated, career and customer-oriented Configuration Manager to join our team in Washington, D.C.</p> <p>Responsibilities include, but are not limited to:</p> <ul> <li>Develop and maintain configuration management (CM) plans, policies, and baselines to support system development and operational environments </li><li>Manage the Security Assessment and Authorization (SAA) process, ensuring systems comply with approved security policies and are properly maintained and transitioned into GRC tools </li><li>Define and recommend system security controls, impact levels, and authorization boundaries in coordination with system owners and Authorizing Officials </li><li>Coordinate and facilitate interconnection agreements (ISAs, MOUs, MOAs) for systems integrating with external or joint-use environments </li><li>Conduct independent reviews of System Security Plans (SSPs), determine testing requirements, and support security control validation efforts </li><li>Lead security inspections, testing, and ATO package submissions, while advising leadership on vulnerabilities, residual risks, and compliance status </li><li>Support change and configuration management processes, including tracking Requests for Change (RFCs), maintaining documentation, and delivering executive-level briefings and stakeholder communications </li></ul> <p>Minimum Qualifications:</p> <ul> <li>A minimum of 10 years' experience in a computer science or cybersecurity related field with a minimum of 7 years of experience serving as an ISSR or in a similar role at a cleared facility </li><li>Must hold at least one of the following certifications: Certified Information Systems Security Professional (CISSP), Global Information Security Professional (GISP), or the CompTIA Advanced Security Practitioner (CASP), or Certified Information System Manager (CISM). </li><li>Experience operating security tools such as Tenable Nessus/Security Center, IBM Guardium, HP WebInspect, NMAP, or similar technologies </li><li>Strong knowledge of RMF and ATO/SAA processes, including NIST SP 800-53 and FISMA compliance requirements </li><li>Hands-on experience with configuration management, system baselining, and change control processes </li><li>Familiarity with GRC tools (e.g., eMASS, Xacta, Archer), including POA&M tracking, and experience developing/reviewing SSPs and security controls </li></ul> <p>Preferred Qualifications:</p> <ul> <li>Bachelor's or advanced degree in Computer Science, Cybersecurity, or other cyber discipline </li></ul> <p>Security Clearance Requirements:</p> <ul> <li>Must have a current/active Top Secret security clearance and be willing and able to obtain SCI eligibility prior to start. </li><li>Must be willing to sit for a polygraph if required </li></ul> <p>Physical Requirements:</p> <ul> <li>Must be able to remain in a stationary position 50%. </li><li>Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. </li><li>Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. </li><li>Often positions self to maintain computers in the lab, including under the desks and in the server closet. </li><li>Frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. </li></ul> <p>The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.</p> <p>MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.</p> <p>If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.</p>