SCI PERSEC Security Specialist
El Segundo, CAFull-timeUSD 140000-170000 per yearPosted Jun 30, 2026
Open original postingSpace Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.
Space Systems Integration (SSI) is a fast-growing engineering company that provides aerospace solutions to a variety of government and commercial customers. Our employees are forward-thinking, self-directed individuals who are committed to solving our customers’ technical challenges.
SSI is seeking an SCI PERSEC Security Specialist for a role in El Segundo, CA. Join us in safeguarding the nation's space assets and exploring the limitless opportunities that await in this dynamic role. You'll have the invaluable opportunity to be mentored in this role, ensuring not only your professional growth, but also the continued excellence of our operations. You will get to use your strong communication (verbal and written) skills and interpersonal skills in a dynamic customer centric environment, which may require sporadic off-hours support. If this is what you are looking for, keep reading. Role and Responsibilities include:
SSI is seeking an SCI PERSEC Security Specialist for a role in El Segundo, CA. Join us in safeguarding the nation's space assets and exploring the limitless opportunities that await in this dynamic role. You'll have the invaluable opportunity to be mentored in this role, ensuring not only your professional growth, but also the continued excellence of our operations. You will get to use your strong communication (verbal and written) skills and interpersonal skills in a dynamic customer centric environment, which may require sporadic off-hours support. If this is what you are looking for, keep reading. Role and Responsibilities include:
- Initiate, track, and monitor SCI clearance access request processing activities with government personnel to achieve appropriate access authorizations.
- Execute all aspects of the PERSEC Program to include nominations, validation of access requirements, Non-Disclosure Agreements (NDAs), Letters of Compelling Need (LOCNs), and other PERSEC-related actions.
- Perform data entry and record checks in the Defense Information System for Security (DISS) and maintain all the applicable contract’s personnel information to ensure accuracy.
- Ensure proper accounting, control, transmission, packaging, safeguarding, and destruction of collateral, SCI, and COMSEC information and equipment.
- Oversee classification management, including Top Secret accountability and media control.
- Directly support government program offices and security officers in the development, implementation, and maintenance of program and personnel security endeavors.
- Lead ongoing initial and annual security awareness, training, and education (SATE) efforts.
- Assist in implementing and maintaining Standard Operating Procedures (SOPs), Emergency Action Plans (EAPs), security directives, regulations, manuals, and guidance.
- Investigate possible/actual security incidents and coordinate with government security reps.
- Participate in SCI Security and COMSEC compliance inspections and self-assessments.
- Assist in the processing of inbound and outbound data transfer files.
- Process and certify incoming and outgoing visit requests; provide facility escort assistance.
- Assist with other miscellaneous support functions, to maintain an efficient operational security posture for programs and information systems, as directed by the site lead or Senior Security Representative.
- Initiate, track, and monitor SCI clearance access request processing activities with government personnel to achieve appropriate access authorizations.
- Execute all aspects of the PERSEC Program to include nominations, validation of access requirements, Non-Disclosure Agreements (NDAs), Letters of Compelling Need (LOCNs), and other PERSEC-related actions.
- Perform data entry and record checks in the Defense Information System for Security (DISS) and maintain all the applicable contract’s personnel information to ensure accuracy.
- Ensure proper accounting, control, transmission, packaging, safeguarding, and destruction of collateral, SCI, and COMSEC information and equipment.
- Oversee classification management, including Top Secret accountability and media control.
- Directly support government program offices and security officers in the development, implementation, and maintenance of program and personnel security endeavors.
- Lead ongoing initial and annual security awareness, training, and education (SATE) efforts.
- Assist in implementing and maintaining Standard Operating Procedures (SOPs), Emergency Action Plans (EAPs), security directives, regulations, manuals, and guidance.
- Investigate possible/actual security incidents and coordinate with government security reps.
- Participate in SCI Security and COMSEC compliance inspections and self-assessments.
- Assist in the processing of inbound and outbound data transfer files.
- Process and certify incoming and outgoing visit requests; provide facility escort assistance.
- Assist with other miscellaneous support functions, to maintain an efficient operational security posture for programs and information systems, as directed by the site lead or Senior Security Representative.
Required Qualifications
- Bachelor’s degree (preferably Security related) and 6+ years of related experience.
- Familiarity with SCI Security responsibilities to include, but not limited to: OPSEC, Program Protection, Personnel Security, Security Training and Education, and Classification management.
- Experience working with DISS and SCInet and working in a SCI environment.
- Proficient with the Microsoft Office Suite, to include Word, PowerPoint, Outlook, and Excel.
- Excellent verbal and written communication skills and be able to effectively communicate with all levels of management and government customers.
- Must be able to work in a constantly changing regulatory environment and be able to work well within a team environment.
- Ability to solve problems and think critically, sometimes independent of significant experience or documentation of the problem area.
- Attention to detail and strong organizational skills are critical to the success of this position.
- Active TS clearance with in-scope T5/SSBI is required, along with SCI eligibility and participation in Continuous Evaluation.
- Must meet all requirements for SCI and SAP access and be willing to undergo a polygraph examination.
- Travel is 10%.
Desired Qualifications:
- Prior experience working security processes in a SAP environment.
- Knowledge and experience using SIMS and/or JADE.
- Use of National Background Investigation Services (NBIS) and (National Industrial Security System) NISS.
- Experience creating/updating plans, processes, and procedures.
- Experience with Security Classification Guides (SCGs)
- Working knowledge of ICD 705 and secure facility construction standards and requirements.
- Have an understanding of DD254s to support government contracts.
- Proficient in COMSEC operations.