Information Systems Security Officer

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MANTECH seeks a motivated, career and customer-oriented Information Systems Security Officer - II to join our team in El Segundo, CA.

The Information Systems Security Officer - II will leverage their strong technical background and knowledge to provide day‑to‑day support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities supporting SSC and AFSPC mission areas. This position requires a five‑day a week on‑site presence in El Segundo, CA.

• Review, prepare, and update AIS accreditation packages and support certification and accreditation (C&A) efforts.
• Perform AIS self‑inspections, conduct security surveys at subordinate facilities, and coordinate, prepare, and track system inspections, reports, and responses. Identify AIS vulnerabilities, implement approved countermeasures, and provide security coordination and review of all system test plans.
• Represent the customer on various technical review and inspection teams while ensuring AIS and network nodes comply with security policies.
• Maintain comprehensive AIS security records and prepare Co‑Utilization Agreements for network nodes operating in government facilities.
• Notify the customer when changes occur that might affect AIS accreditation or certification status, and manage required AIS training.
• Must meet position training and certification requirements outlined in DoD Directive 8570.01-M (IAT-II), JSIG, RMF and ISCM training within 6 months of hire.
• Willingness to travel extensively within the organizational Area of Responsibility (AOR) via both air and ground transportation.

• Bachelor’s degree; an additional 4 years of related experience might be considered for a degree
• 3+ years of related experience.
• 2+ years of relevant SCI or SAP‑related experience.

• Familiarity with security policies, manuals, and appropriate ICDs, JAFANs, DoD Manuals, and other guiding policy documents.
• Ability to work effectively in a dynamic environment and interact professionally with diverse DoD, military, civilian, and industry partners.
• Working knowledge of Microsoft Office applications including Word, PowerPoint, and Excel.
• High degree of initiative, originality, and creativity with the capability to operate under minimal supervision.

• An active Top‑Secret security clearance with SCI eligibility
• Candidates must be eligible for access to Special Access Programs.
• Willingness to submit to a Counterintelligence polygraph examination is required.

• Must be able to remain in a stationary position 50% of the time in closed‑area offices.
• Needs to occasionally move about inside and outside the office to access files, cabinets, and safes, or to remove and install computer‑related equipment.

The projected compensation range for this position is $-$. 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.

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