MANTECH is seeking a motivated, career and customer-oriented Information System Security Officer (ISSO) to join our team in Chantilly, VA.
Responsibilities include but are not limited to:
Ensures network nodes are operated, maintained, and disposed of in accordance with security policies and practices.
Perform Information System Security Officer (ISSO) duties in support of in-house and external customers. Also, perform duties as the alternate Information Systems Security Manager (ISSM).
Cyber security paperwork (compliance) and Information Assurance (IA) controls.
Develop supporting documentation and apply standards, directives, guidance, policies, and security control to classified computing environments in support of Intelligence Community Directive (ICD) 503
Utilizing one or more Risk Management Framework implementation methods to include but not limited to; JSIG, CNSSI 1253, NIST SP 800-53, NIST SP 800-171, DoDM-5220-22 (NISPOM)
Assist in preparation and review documentation to include System Security Plans (SSPs), Risk Assessment Reports (RAR), Security Controls Traceability Matrix (SCTM), and other Assessment & Authorization (A&A) artifacts
Learn and conduct independent scans of the application, network, and database with tools such as Nessus, DISA STIGS compliance check and SCAP (SCC)
Minimum Qualifications:
Bachelor’s Degree and at least 5 years of experience in Cybersecurity, Information Technology, Computer Science, or other relevant technical field; Experience can be any combination professional experience, internships, lab work or coursework. An additional 2 years of experience may be substituted in lieu of degree.
At least three years’ experience with Risk Management Framework, JSIG, or similar security frameworks.
Department of Defense (DoD) 8570/8140 Compliant, IAT Level III within 6 months of hire date
Strong Analytical and Critical Thinking Skills, Interpersonal and People Skills, Leadership Skills, Listening Skills, Multi-Tasking Ability, Communication Skills, Organizational Skills, Presentation Skills
Preferred Qualifications:
A bility to obtain and maintain customer system accreditations through the System Development Life Cycle (SDLC)
Experience providing continuous monitoring, security reviews, and technical inspections to enforce security policies, controls and procedures and mitigate identified vulnerability and weaknesses
Ability to work well in a team environment and work well under pressure.
Security Clearance Requirements:
Must have a current / active Top-Secret/SCI clearance with the ability to obtain and maintain a polygraph
Eligibility for access to Special Access Program information (SAP)
Physical Requirements:
Must be able to remain in a stationary position up to 75% of the time
Must be able to move about inside the office to access file cabinets, office machinery
Must be able to position self to maintain office supplies on variable height shelving.
The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations.
Must be able to exchange accurate information in these situations

MANTECH is more than a technology company. We are a company dedicated to service, and we consider our work a part of the public trust. The people of MANTECH are privileged to work for the security of the United States, the welfare of our service members and veterans, the protection of our communities, and the cause of better health care.
We have served the nation for more than 57 years, and in that time we have continually changed and grown to provide the technology that government needs to meet new challenges. We seek people with the same strong ethic of service, creativity, energy, and dedication to serving our country.
We are comprised of more than 9,800 talented employees around the world. Nearly 40% of our employees are veterans. Many others come from the Intelligence Community, Homeland Security and federal civilian agencies. We understand our customers’ challenges because we know their world firsthand.
When Federal managers and military leaders face tough challenges in cyber, data collection & analysis, enterprise IT or systems and software engineering, they turn to MANTECH to get the job done right. These professionals trust MANTECH and stay with us for years because we understand their needs and tackle their most complex challenges head on. They know that reaching their goal is our ultimate objective.