MANTECH

Information Systems Security Officer

MANTECH  •  $115k - $190k/yr  •  California (Onsite)  •  3 hours ago
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Job Description


General information


Requisition #

R68367

Locations

USA-CA-Vandenberg AFB

Posting Date

06/04/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time


Description & Requirements


Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

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.

Responsibilities include but are not limited to:

  • 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.

Minimum Qualifications:

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

Preferred Qualifications :

  • 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.

Clearance Requirements:

  • 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.

Physical Requirements:

  • 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 $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.

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 careers@mantech.com and provide your name and contact information.
MANTECH

About MANTECH

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.

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
Herndon, Virginia
Year Founded
1968
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