Acquisition Security Analyst

General information

Requisition # R65298 Locations USA-CA-El Segundo Posting Date 01/27/2026 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 Acquisition Security Analyst III to join our team in El Segundo, CA.

In this role, you will support advanced technology protection for high-priority government programs. You will help implement and manage program protection methodologies throughout the acquisition lifecycle to ensure the security and integrity of sensitive systems.

Responsibilities include but are not limited to:

• Support security planning, documentation, analysis, and classification activities to protect critical technology, systems, and operational information throughout the development lifecycle.

• Conduct lifecycle program analysis to identify Critical Program Information (CPI), Critical System Resources (CSR), associated vulnerabilities, and help implement countermeasures

• Provide technical security support and guidance to SAP, SCI, and collateral programs across acquisition and sustainment phases; offer informed recommendations to program management and security stakeholders

• Support the development, execution, and implementation of Program Protection Plans (PPP) and supporting documents including OPSEC plans, transition plans, CONOPS, emergency action and transport plans

• Review and coordinate documentation for public release, ensuring proper CUI markings, classification levels, and distribution statements in alignment with Air Force doctrine

• Develop tailored analytical products using multiple data sources and systems to support real-time security decision-making and risk management

• Exposure Contingency Plans (ECPs), Managed Access Plans (MAPs), SOPs, and System Test Plans (STPs)

• Provide technical analysis and OPSEC support to SMC or AFSPC special programs, including efforts related to system RDT&E, mission planning, and operational integration

Minimum Qualifications:

• Bachelor’s degree in a related field; an additional 4 years of related experience might be considered for a degree.

• 10+ years of experience supporting acquisition programs.

• 6+ years of experience with SCI.

• Familiarity with applicable DoD security manuals, ICDs, JAFANs, and other guiding policy documents.

• Extensive knowledge of DD Form 254 and its role in the Air Force acquisition proc