Job Description Job Description ProSync is seeking passionate Information System Security Specialist III to help provide mid level cybersecurity support for Navy information systems, networks, and mission environments. This role assists in implementing, maintaining, and monitoring security controls in accordance with DoD and federal cybersecurity policies. ProSync Technology Group, LLC (ProSync) is an award-winning, SDVOSB Defense Contracting company with a strong military heritage and a record of excellence in supporting the Department of Defense and the Intelligence Community. If you have prior military service or government contracting experience, are proud to serve and support our nation, and want to help support ProSync's mission to "Define and Redefine the State of Possible," please apply today! RESPONSIBILITIES The Information System Security Specialist is responsible for supporting all aspects of a Program Information Assurance (IA) processes tailored to include minimum qualification standards, fundamental awareness and familiarity to demonstrated competency with specific experience in Cyber Security, Engineering, Test & Evaluation, (T&E) and/or Security Control Assessor (SCA) under a Certification & Accreditation (C&A) and/or Assessment & Authorization (A&A) process. The specialist should demonstrate a working knowledge of the Risk Management Framework (RMF) process and/or include prior experience with the Defense Information Assurance & Certification Accreditation Process (DIACAP). Familiarity with security policies & guidance documents to assist with the preparation and maintenance of process artifacts, traceability documents purposed for compliance with Authority to Operate (ATO) requirements. The specialist is expected to evaluate security solutions to ensure they meet security requirements for processing up to classified information, and supervise and/or maintain the operational security posture for an information system or program. Support the development, documentation, and maintenance of system security plans, procedures, and authorization artifacts. Assist in implementing security controls and ensuring compliance with applicable cybersecurity frameworks (e.g., RMF, NIST, DoD directives). Conduct routine security assessments, vulnerability scans, and configuration checks to identify and report security risks. Support incident response activities, including evidence collection, initial triage, and coordination with senior cybersecurity personnel. Maintain awareness of system configurations, user access requirements, and security posture changes. Assist in preparing documentation for system authorization, continuous monitoring, and audit readiness. Provide user support on security procedures, access requirements, and proper handling of sensitive information. Requirements A minimum of 5 years of practical experience in a Cybersecurity, Engineering, T&E or A&A (formerly C&A) related field. Must have experience working with Information Assurance tools such as DISA Enterprise Mission Assurance Support Service (eMASS), Assured Compliance Assessment Solution (ACAS) A minimum Top Secret security clearance or higher with the ability to obtain a Top Secret w/ SCI is required to be considered for this position. EDUCATIONAL REQUIREMENTS A college degree in a technical or managerial related discipline is preferred. Note: a high school diploma or high school equivalency certificate is acceptable with 2 additional years of practical experience. CERTIFICATION REQUIREMENTS May be required to hold an Interim Security Control Assessor qualification. Benefits Join PROSYNC and enjoy our great benefits! Compensation We offer sign on bonuses! We also offer bonuses that are awarded quarterly to our employees and our compensation rates are highly competitive. Health & Retirement We offer a comprehensive Health Benefits package and 401K retirement plan so you can take care of yourself and your family, now and in the future. Other health-related benefits include an employee assistance program for those difficult times or when you need to take care of your mental health. Education Individual growth is a priority at ProSync. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification they need to propel them to the next level. Work/Life Balance A healthy work/life balance is essential for building and executing your work effectively at ProSync, but it's also necessary to allow you the room to pursue everything else you want to develop in your personal life. We offer generous Paid Time Off and 11 paid holidays a year. ProSync also provides flexible work options that work with your schedule and lifestyle.
09/07/2026
Full time
Job Description Job Description ProSync is seeking passionate Information System Security Specialist III to help provide mid level cybersecurity support for Navy information systems, networks, and mission environments. This role assists in implementing, maintaining, and monitoring security controls in accordance with DoD and federal cybersecurity policies. ProSync Technology Group, LLC (ProSync) is an award-winning, SDVOSB Defense Contracting company with a strong military heritage and a record of excellence in supporting the Department of Defense and the Intelligence Community. If you have prior military service or government contracting experience, are proud to serve and support our nation, and want to help support ProSync's mission to "Define and Redefine the State of Possible," please apply today! RESPONSIBILITIES The Information System Security Specialist is responsible for supporting all aspects of a Program Information Assurance (IA) processes tailored to include minimum qualification standards, fundamental awareness and familiarity to demonstrated competency with specific experience in Cyber Security, Engineering, Test & Evaluation, (T&E) and/or Security Control Assessor (SCA) under a Certification & Accreditation (C&A) and/or Assessment & Authorization (A&A) process. The specialist should demonstrate a working knowledge of the Risk Management Framework (RMF) process and/or include prior experience with the Defense Information Assurance & Certification Accreditation Process (DIACAP). Familiarity with security policies & guidance documents to assist with the preparation and maintenance of process artifacts, traceability documents purposed for compliance with Authority to Operate (ATO) requirements. The specialist is expected to evaluate security solutions to ensure they meet security requirements for processing up to classified information, and supervise and/or maintain the operational security posture for an information system or program. Support the development, documentation, and maintenance of system security plans, procedures, and authorization artifacts. Assist in implementing security controls and ensuring compliance with applicable cybersecurity frameworks (e.g., RMF, NIST, DoD directives). Conduct routine security assessments, vulnerability scans, and configuration checks to identify and report security risks. Support incident response activities, including evidence collection, initial triage, and coordination with senior cybersecurity personnel. Maintain awareness of system configurations, user access requirements, and security posture changes. Assist in preparing documentation for system authorization, continuous monitoring, and audit readiness. Provide user support on security procedures, access requirements, and proper handling of sensitive information. Requirements A minimum of 5 years of practical experience in a Cybersecurity, Engineering, T&E or A&A (formerly C&A) related field. Must have experience working with Information Assurance tools such as DISA Enterprise Mission Assurance Support Service (eMASS), Assured Compliance Assessment Solution (ACAS) A minimum Top Secret security clearance or higher with the ability to obtain a Top Secret w/ SCI is required to be considered for this position. EDUCATIONAL REQUIREMENTS A college degree in a technical or managerial related discipline is preferred. Note: a high school diploma or high school equivalency certificate is acceptable with 2 additional years of practical experience. CERTIFICATION REQUIREMENTS May be required to hold an Interim Security Control Assessor qualification. Benefits Join PROSYNC and enjoy our great benefits! Compensation We offer sign on bonuses! We also offer bonuses that are awarded quarterly to our employees and our compensation rates are highly competitive. Health & Retirement We offer a comprehensive Health Benefits package and 401K retirement plan so you can take care of yourself and your family, now and in the future. Other health-related benefits include an employee assistance program for those difficult times or when you need to take care of your mental health. Education Individual growth is a priority at ProSync. Employees are encouraged to take advantage of our company-sponsored continuing education program so they can get their degree or that next certification they need to propel them to the next level. Work/Life Balance A healthy work/life balance is essential for building and executing your work effectively at ProSync, but it's also necessary to allow you the room to pursue everything else you want to develop in your personal life. We offer generous Paid Time Off and 11 paid holidays a year. ProSync also provides flexible work options that work with your schedule and lifestyle.
MANTECH seeks a motivated, career and customer-oriented Information Technology/Assurance Specialist III to join our team in El Segundo, CA. The Information Technology/Assurance Specialist III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) supporting SMC Directorates and/or AFSPC Operational Units. You will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Establishing complex operational software configuration controls and system interfaces for assigned computer systems. Maintaining file servers, firewalls, network access, and Security Monitoring Systems while ensuring all system documentation is current. Analyzing and troubleshooting system anomalies to ensure optimum equipment performance and support operational tests. Reviewing, preparing, and updating AIS accreditation packages and notifying customers of changes affecting certification. Identifying AIS vulnerabilities, implementing effective countermeasures, and performing routine AIS self-inspections. Ensuring all AIS and network nodes are operated, maintained, and disposed of in strict accordance with security policies. Providing leadership, mentoring, and quality assurance for team members while managing account creations and help desk support. Minimum Qualifications: Bachelor's degree or additional 4 years of experience. 8+ years of total related experience. 6+ years of relevant SCI or SAP experience. Familiarity with security policy manuals including ICDs, JAFANs, DoD Manuals, and guiding policy documents. Must meet DoD 8570.01-M for (IAT) Level 2, (IAM) Level 1, requirements within 6 months of the date of hire (i.e Security+ CE). Must Complete training: (JSIG) Joint Security Implementation Guidance, (RMF) Risk Management Framework, (ISCM) Information Security Continuous Monitoring (If supported organization requires development of AIS accreditation packages). Preferred Qualifications: Minimum 3 years of SAP-related experience is highly desired. Completed training on Joint Security Implementation Guidance (JSIG) and Risk Management Framework (RMF). Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross-domain solutions is desired. Possession of a high degree of originality, creativity, and initiative requiring minimal supervision. Clearance Requirements: Current Top-Secret clearance with SCI eligibility Applicants must be willing to submit to a Counterintelligence polygraph Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to lift up to 50 lbs.
09/07/2026
Full time
MANTECH seeks a motivated, career and customer-oriented Information Technology/Assurance Specialist III to join our team in El Segundo, CA. The Information Technology/Assurance Specialist III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) supporting SMC Directorates and/or AFSPC Operational Units. You will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Establishing complex operational software configuration controls and system interfaces for assigned computer systems. Maintaining file servers, firewalls, network access, and Security Monitoring Systems while ensuring all system documentation is current. Analyzing and troubleshooting system anomalies to ensure optimum equipment performance and support operational tests. Reviewing, preparing, and updating AIS accreditation packages and notifying customers of changes affecting certification. Identifying AIS vulnerabilities, implementing effective countermeasures, and performing routine AIS self-inspections. Ensuring all AIS and network nodes are operated, maintained, and disposed of in strict accordance with security policies. Providing leadership, mentoring, and quality assurance for team members while managing account creations and help desk support. Minimum Qualifications: Bachelor's degree or additional 4 years of experience. 8+ years of total related experience. 6+ years of relevant SCI or SAP experience. Familiarity with security policy manuals including ICDs, JAFANs, DoD Manuals, and guiding policy documents. Must meet DoD 8570.01-M for (IAT) Level 2, (IAM) Level 1, requirements within 6 months of the date of hire (i.e Security+ CE). Must Complete training: (JSIG) Joint Security Implementation Guidance, (RMF) Risk Management Framework, (ISCM) Information Security Continuous Monitoring (If supported organization requires development of AIS accreditation packages). Preferred Qualifications: Minimum 3 years of SAP-related experience is highly desired. Completed training on Joint Security Implementation Guidance (JSIG) and Risk Management Framework (RMF). Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross-domain solutions is desired. Possession of a high degree of originality, creativity, and initiative requiring minimal supervision. Clearance Requirements: Current Top-Secret clearance with SCI eligibility Applicants must be willing to submit to a Counterintelligence polygraph Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to lift up to 50 lbs.
MANTECH seeks a motivated, career and customer-oriented Information Technology/Assurance Specialist III to join our team in El Segundo, CA. The Information Technology/Assurance Specialist III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) supporting SMC Directorates and/or AFSPC Operational Units. You will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Establishing complex operational software configuration controls and system interfaces for assigned computer systems. Maintaining file servers, firewalls, network access, and Security Monitoring Systems while ensuring all system documentation is current. Analyzing and troubleshooting system anomalies to ensure optimum equipment performance and support operational tests. Reviewing, preparing, and updating AIS accreditation packages and notifying customers of changes affecting certification. Identifying AIS vulnerabilities, implementing effective countermeasures, and performing routine AIS self-inspections. Ensuring all AIS and network nodes are operated, maintained, and disposed of in strict accordance with security policies. Providing leadership, mentoring, and quality assurance for team members while managing account creations and help desk support. Minimum Qualifications: Bachelor's degree or additional 4 years of experience. 8+ years of total related experience. 6+ years of relevant SCI or SAP experience. Familiarity with security policy manuals including ICDs, JAFANs, DoD Manuals, and guiding policy documents. Must meet DoD 8570.01-M for (IAT) Level 2, (IAM) Level 1, requirements within 6 months of the date of hire (i.e Security+ CE). Must Complete training: (JSIG) Joint Security Implementation Guidance, (RMF) Risk Management Framework, (ISCM) Information Security Continuous Monitoring (If supported organization requires development of AIS accreditation packages). Preferred Qualifications: Minimum 3 years of SAP-related experience is highly desired. Completed training on Joint Security Implementation Guidance (JSIG) and Risk Management Framework (RMF). Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross-domain solutions is desired. Possession of a high degree of originality, creativity, and initiative requiring minimal supervision. Clearance Requirements: Current Top-Secret clearance with SCI eligibility Applicants must be willing to submit to a Counterintelligence polygraph Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to lift up to 50 lbs.
09/07/2026
Full time
MANTECH seeks a motivated, career and customer-oriented Information Technology/Assurance Specialist III to join our team in El Segundo, CA. The Information Technology/Assurance Specialist III will leverage their strong technical background and knowledge to support Special Access Programs (SAPs) supporting SMC Directorates and/or AFSPC Operational Units. You will provide "day-to-day" support for Collateral, Sensitive Compartmented Information (SCI), and Special Access Program (SAP) activities. Responsibilities include but are not limited to: Establishing complex operational software configuration controls and system interfaces for assigned computer systems. Maintaining file servers, firewalls, network access, and Security Monitoring Systems while ensuring all system documentation is current. Analyzing and troubleshooting system anomalies to ensure optimum equipment performance and support operational tests. Reviewing, preparing, and updating AIS accreditation packages and notifying customers of changes affecting certification. Identifying AIS vulnerabilities, implementing effective countermeasures, and performing routine AIS self-inspections. Ensuring all AIS and network nodes are operated, maintained, and disposed of in strict accordance with security policies. Providing leadership, mentoring, and quality assurance for team members while managing account creations and help desk support. Minimum Qualifications: Bachelor's degree or additional 4 years of experience. 8+ years of total related experience. 6+ years of relevant SCI or SAP experience. Familiarity with security policy manuals including ICDs, JAFANs, DoD Manuals, and guiding policy documents. Must meet DoD 8570.01-M for (IAT) Level 2, (IAM) Level 1, requirements within 6 months of the date of hire (i.e Security+ CE). Must Complete training: (JSIG) Joint Security Implementation Guidance, (RMF) Risk Management Framework, (ISCM) Information Security Continuous Monitoring (If supported organization requires development of AIS accreditation packages). Preferred Qualifications: Minimum 3 years of SAP-related experience is highly desired. Completed training on Joint Security Implementation Guidance (JSIG) and Risk Management Framework (RMF). Working knowledge and current relevant experience with PL1 & PL2 systems; experience with PL3 & PL4 cross-domain solutions is desired. Possession of a high degree of originality, creativity, and initiative requiring minimal supervision. Clearance Requirements: Current Top-Secret clearance with SCI eligibility Applicants must be willing to submit to a Counterintelligence polygraph Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to lift up to 50 lbs.
