MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer (ISSO) to join our team in Washington, D.C This is an on-site position.
The Senior ISSO will leverage their strong technical background and knowledge to support accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks and actions.
Responsibilities Include but are not limited to:
Create, update, maintain, and interpret required Body of Evidence (BOE) documentation to navigate system accreditation processes.
Ensure the day-to-day implementation, oversight, continuous monitoring, and maintenance of system security configurations and practices.
Conduct required vulnerability scans, review reports to identify vulnerabilities, and perform comprehensive vulnerability analysis.
Develop, oversee, and track Plans of Action and Milestones (POAMs) to effectively mitigate discovered security risks.
Coordinate with system owners, ISSMs, and team resources to diagnose operational issues and implement necessary technology solutions.
Document and implement plans detailing security postures, proper configurations, and secure remote access capabilities for applications.
Minimum Qualifications:
10 + years of related information systems security experience, or a Master's degree with 7 + years of experience.
Bachelor's Degree or equivalent (6 additional years of experience).
Must possess one or more relevant industry certifications: Certified Information Systems Security Professional (CISSP), Certified Information Systems Security Manager - Informatin System Security Management Professional (CISSP-ISSMP), Certified Information Security Manager (CISM), Federal IT Security Professional - Manager (FITSP-M), GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Global Industrial Cyber Security Professional (GICSP), or GIAC Security Leadership (GSLC).
Significant experience navigating technical accreditation processes, meeting strict security requirements, and creating A&A Body of Evidence (BOE) documentation.
Familiarity operating standard security and discovery tools including Tenable Nessus, Security Center, IBM Guardium, HP WebInspect, and Network Mapper (NMAP).
Proven experience managing complex network documentation, inventorying networks, and working across large technical teams to drive a standardized security agenda.
Preferred Qualifications:
Cloud Certification.
Hands-on experience utilizing cyber risk and compliance automation tools.
Clearance Requirements:
Current/Active TS/SCI Required.
Ability to obtain and maintain a polygraph.
Physical Requirements:
Must be able to remain in a stationary position 50% of the time.
Needs to occasionally move about inside the office to access file cabinets, office machinery, and other equipment.
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.