{"schemaVersion":"jobsearcher.job.v1","id":"c9b803b3507fbf8ee3e7ab7a","url":"https://jobsearcher.com/jobs/c9b803b3507fbf8ee3e7ab7a","canonicalUrl":"https://jobsearcher.com/jobs/c9b803b3507fbf8ee3e7ab7a","title":"IT Modernization Information Systems Security Engineer","description":"MTSI is seeking a IT Modernization Information Systems Security Engineer whose primary function will be to provide Senior Cloud Information Systems Security Engineer support to the government program manager to\nYour essential job functions will include but may not be limited to:\nIntegrate cybersecurity requirements into system architecture, design, and engineering processes from concept through deployment\nDevelop and maintain system security artifacts including Security Plans, Security Controls Traceability matrices, architectural diagrams, and engineering documentation\nPerform security engineering analyses, including threat modeling, vulnerability assessments, and security impact analyses of proposed changes\nSelect, tailor, and implement security controls aligned with NIST SP 800-53, CNSSI 1253, the Joint Special Access Program (SAP) Implementation Guide, and/or applicable organizational frameworks\nCommunicate risk analysis associated with engineered solutions including mitigation strategies, residual risk and risk-benefit recommendations\nPerform requirements analysis, design, and integration for complex software applications and collaboration infrastructures\nParticipate in the change management process, including submitting and reviewing Change Requests (CRs) and assisting in the assessment of security impact of proposed changes\nCreate and maintain information system security documentation, Standard Operating Procedures (SOP), and provide guidance on active Plans of Action and Milestones (POA&M)\nConduct periodic and continuous monitoring of the system, procedures, and documentation to ensure compliance with the authorization\nCollaborate with ISSOs, system administrators, and development teams to remediate vulnerabilities and ensure secure system configurations\nCommunicate with multiple systems owners to address security relevant design and integration requirements for hybrid systems\nEvaluate cloud supporting technologies in areas of encryption, identity and access control, boundary protection, and logging/monitoring\nSupport incident response and forensic analysis as needed, ensuring proper coordination with organizational cybersecurity teams\nSupport development and execution of governance frameworks for managing and authorizing national security systems\n\nRequired:\n12+ years' technical experience in cybersecurity, information technology, or systems engineering\nExcellent communication skills (verbal and written) required\nMust have experience working with Special Access Programs (SAPs)\nStrong proficiency in Cloud architecture and associated security elements\nMust possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policy\n\nAdvanced knowledge in one or more of the following areas:\nSecure systems engineering practices, including threat modeling, security architecture design, and/or system hardening\nSoftware Development in Java, Python, Ruby and/or C++\nLinux Expertise\nDynamic & Static Application Security Scanning (e.g., OPSWAT, OWASP ZAP, BurpSuite, Fortify\nExperience with vulnerability management tools (e.g., Tenable, Defender), SIEM technologies, and secure configuration baselines\nInfrastructure Security Scanning, Vulnerability Scanning (NMAP, Azure Defender, AWS Inspector, ACAS/Nessus)\n\nCertifications:\nInformation Systems Security Engineering Professional (ISSEP)\nCertified Cloud Security Professional (CCSP)\nCertified Information Systems Security Professional (CISSP).\nCompTIA Advanced Security Practitioner (CASP)\nGIAC Cloud Security Essentials Certification (GCLD)\n\nEducation Requirements:\nBachelor’s degree in engineering, computer science, cybersecurity, networking, or programming\n(Master’s degree DESIRED)\n\nClearance Requirements:\nCurrent/active Top Secret/SCI; Current or recent DoD SAP access\nThe pay range for this position is $160,000/year to $210,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI offers a full range of medical benefits, 401k, ESOP, paid time off, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.\n\n#LI-LS1\n#mtsi\n#lawrenciumsaskatchewantrout\n#LI-Onsite\n\nTS/SCI\n\nPerks and Benefits\nVacation:\nNew Hires Accrue 20 days of PTO and 10 Holidays per Year\nHealth Insurance:\nZero Deductible Health Plans\nFlexible Schedules:\nFlex Schedules\nProfessional Development:\nUp to $10,000 Annual Education/Training Reimbursement\nESOP:\nFunded Stock Ownership Plan\n401k Match+:\n6% 401k Match + Immediate Vesting\nBonus Program:\nSemi-Annual Bonus Opportunity\nMentorship:\nCareer Mentorship Programs\nWhy is MTSI a great place to work\nInteresting Work:\nOur co-workers support some of the most important and critical programs to our national defense and security.\nValues:\nOur first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned:\nWe have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success:\nWe have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visitwww.mtsi-va.com\nEEO Statement\nMTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.\n\nWhy is MTSI a great place to work\nInteresting Work: Our co-workers support some of the most important and critical programs to our national defense and security.\nValues: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success: We have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visit www.mtsi-va.com","company":"Modern Technology Solutions","rawCompany":"modern technology solutions","city":"Washington","state":"DC","isRemote":false,"isActive":false,"createdAt":"2026-08-04T17:50:28.112Z","occupations":[{"code":"15-1299.05","title":"Information Security Engineers","slug":"information-security-engineers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1212.00","title":"Information Security Analysts","slug":"information-security-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541330","title":"Engineering Services","slug":"engineering-services"},{"code":"928110","title":"National Security","slug":"national-security"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"IT Modernization Information Systems Security Engineer","description":"MTSI is seeking a IT Modernization Information Systems Security Engineer whose primary function will be to provide Senior Cloud Information Systems Security Engineer support to the government program manager to\nYour essential job functions will include but may not be limited to:\nIntegrate cybersecurity requirements into system architecture, design, and engineering processes from concept through deployment\nDevelop and maintain system security artifacts including Security Plans, Security Controls Traceability matrices, architectural diagrams, and engineering documentation\nPerform security engineering analyses, including threat modeling, vulnerability assessments, and security impact analyses of proposed changes\nSelect, tailor, and implement security controls aligned with NIST SP 800-53, CNSSI 1253, the Joint Special Access Program (SAP) Implementation Guide, and/or applicable organizational frameworks\nCommunicate risk analysis associated with engineered solutions including mitigation strategies, residual risk and risk-benefit recommendations\nPerform requirements analysis, design, and integration for complex software applications and collaboration infrastructures\nParticipate in the change management process, including submitting and reviewing Change Requests (CRs) and assisting in the assessment of security impact of proposed changes\nCreate and maintain information system security documentation, Standard Operating Procedures (SOP), and provide guidance on active Plans of Action and Milestones (POA&M)\nConduct periodic and continuous monitoring of the system, procedures, and documentation to ensure compliance with the authorization\nCollaborate with ISSOs, system administrators, and development teams to remediate vulnerabilities and ensure secure system configurations\nCommunicate with multiple systems owners to address security relevant design and integration requirements for hybrid systems\nEvaluate cloud supporting technologies in areas of encryption, identity and access control, boundary protection, and logging/monitoring\nSupport incident response and forensic analysis as needed, ensuring proper coordination with organizational cybersecurity teams\nSupport development and execution of governance frameworks for managing and authorizing national security systems\n\nRequired:\n12+ years' technical experience in cybersecurity, information technology, or systems engineering\nExcellent communication skills (verbal and written) required\nMust have experience working with Special Access Programs (SAPs)\nStrong proficiency in Cloud architecture and associated security elements\nMust possess excellent analytical skills and be capable of quantifying risk to enterprise systems and level of compliance with security policy\n\nAdvanced knowledge in one or more of the following areas:\nSecure systems engineering practices, including threat modeling, security architecture design, and/or system hardening\nSoftware Development in Java, Python, Ruby and/or C++\nLinux Expertise\nDynamic & Static Application Security Scanning (e.g., OPSWAT, OWASP ZAP, BurpSuite, Fortify\nExperience with vulnerability management tools (e.g., Tenable, Defender), SIEM technologies, and secure configuration baselines\nInfrastructure Security Scanning, Vulnerability Scanning (NMAP, Azure Defender, AWS Inspector, ACAS/Nessus)\n\nCertifications:\nInformation Systems Security Engineering Professional (ISSEP)\nCertified Cloud Security Professional (CCSP)\nCertified Information Systems Security Professional (CISSP).\nCompTIA Advanced Security Practitioner (CASP)\nGIAC Cloud Security Essentials Certification (GCLD)\n\nEducation Requirements:\nBachelor’s degree in engineering, computer science, cybersecurity, networking, or programming\n(Master’s degree DESIRED)\n\nClearance Requirements:\nCurrent/active Top Secret/SCI; Current or recent DoD SAP access\nThe pay range for this position is $160,000/year to $210,000/year; however, base pay offered may vary depending on established government contract ranges, job-related knowledge, skills, and experience, and other factors. MTSI offers a full range of medical benefits, 401k, ESOP, paid time off, and other benefits, dependent on the position offered. Base pay information is based on market location. Applications will be accepted on an ongoing basis. This posting will be renewed periodically until the position is filled.\n\n#LI-LS1\n#mtsi\n#lawrenciumsaskatchewantrout\n#LI-Onsite\n\nTS/SCI\n\nPerks and Benefits\nVacation:\nNew Hires Accrue 20 days of PTO and 10 Holidays per Year\nHealth Insurance:\nZero Deductible Health Plans\nFlexible Schedules:\nFlex Schedules\nProfessional Development:\nUp to $10,000 Annual Education/Training Reimbursement\nESOP:\nFunded Stock Ownership Plan\n401k Match+:\n6% 401k Match + Immediate Vesting\nBonus Program:\nSemi-Annual Bonus Opportunity\nMentorship:\nCareer Mentorship Programs\nWhy is MTSI a great place to work\nInteresting Work:\nOur co-workers support some of the most important and critical programs to our national defense and security.\nValues:\nOur first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned:\nWe have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success:\nWe have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visitwww.mtsi-va.com\nEEO Statement\nMTSI embraces nine core values including our first core value of Employees come first. Consistent with our Core Values, we are committed to Equal Opportunity, making decisions without regard to race, color, religion, sex, national origin, age, military/veteran status, disability, or any other characteristics protected by applicable law. MTSI is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants and employees with physical and/or mental disabilities.\n\nWhy is MTSI a great place to work\nInteresting Work: Our co-workers support some of the most important and critical programs to our national defense and security.\nValues: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.\n100% Employee Owned: We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.\nGreat Benefits - Most Full-Time Staff Are Eligible for:\nStarting PTO accrual of 20 days PTO/year + 10 holidays/year\nFlexible schedules\n6% 401k match with immediate vesting up to $9k annually\nSemi-annual bonus eligibility (July and Decemeber)\nCompany funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account\nUp to $10,000 in annual educational reimbursement\nOther company funded benefits, like life and disability insurance\nOptional zero deductible Blue Cross/Blue Shield health insurance plan\nTrack Record of Success: We have grown every year since our founding in 1993.\nModern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance\nMTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.\nFor more information about MTSI, please visit www.mtsi-va.com","datePosted":"2026-08-04T17:50:28.112Z","dateModified":"2026-08-04T17:50:28.112Z","hiringOrganization":{"@type":"Organization","name":"Modern Technology Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Washington","addressRegion":"DC","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"c9b803b3507fbf8ee3e7ab7a"},"url":"https://jobsearcher.com/jobs/c9b803b3507fbf8ee3e7ab7a"}}