Senior Information Systems Security Officer

ManTech; Washington (District of Columbia); On-site; USD 140,000 - 190,000; Full time

Job summary

MANTECH seeks a Senior ISSO to join our Washington, DC team in an on-site role. You will support accreditation efforts and create Body of Evidence (BOE) documentation while implementing required controls.

Ideal candidates have 10+ years of information systems security experience or a Master’s with 7+ years, plus certifications (CISM, CISSP, CISSP-ISSMP, GCIA, GCIH, GICSP, GSLC) and hands-on with Nessus, Security Center, Guardium, WebInspect, and NMAP; TS/SCI clearance preferred.

Qualifications

• 10+ years of information systems security experience, or a Master’s with 7+ years.
• Bachelor’s Degree or equivalent (6 additional years of experience).
• Must possess one or more relevant industry certifications such as CISM, CISSP, CISSP-ISSMP, FITSP-M, GCIA, GCIH, GICSP, or GSLC.
• Significant experience navigating technical accreditation processes, meeting strict security requirements, and creating A&A BOE documentation.
• Familiarity with security tools including Nessus, Security Center, Guardium, WebInspect, and NMAP.

Responsibilities

• Create, update, maintain, and interpret BOE documentation for accreditation processes.
• Ensure day-to-day implementation, oversight, and maintenance of system security configurations and practices.
• Conduct vulnerability scans, review reports, and perform vulnerability analysis.
• Develop and track Plans of Action and Milestones (POAMs) to mitigate risks.
• Coordinate with system owners, ISSMs, and teams to diagnose issues and implement security solutions.
• Document and implement plans detailing security postures, configurations, and secure remote access for applications.

Skills

InfoSec experience

Accreditation processes

Vulnerability analysis

Education

Master's degree + 7+ years

Bachelor's degree or equivalent

CISM

CISSP

CISSP-ISSMP

FITSP-M

GCIA

GCIH

GICSP

GSLC

Tools

Tenable Nessus

Security Center

IBM Guardium

HP WebInspect

NMAP

Job description

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, such as CISM, CISSP, CISSP-ISSMP, FITSP-M, GCIA, GCIH, GICSP, or 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.

• Self-starter with excellent interpersonal skills, capable of organizing boards and driving change across organizational teams.

Clearance Requirements:

• Current/Active TS/SCI Required.

• Abilty 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 International Corporation 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.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [e-mail] and provide your name and contact information.