Senior Security Assurance Engineer - CTJ - POLY

Job ID: 200031466Posted: 2026-07-31Location: United States, Virginia, RestonSalary: USD $119,800 - $234,700 per yearEmployment type: Full-TimeWork site: Fully on-siteRole type: Individual ContributorTravel: Less than 25%Profession: Security EngineeringDiscipline: Security AssuranceCompany: MicrosoftOverviewMicrosoft is seeking a Industrial Senior Security Assurance Engineer to support classified U.S. Government programs and secure cloud operations. This role is responsible for the operational execution and day to day oversight of industrial security requirements for assigned programs and facilities, ensuring compliance with the National Industrial Security Program Operating Manual (NISPOM) and customer security directives.The Industrial Senior Security Assurance Engineer serves as a trusted security partner to program teams and corporate security stakeholders, ensuring inspection readiness, compliance execution, and protection of Microsoft’s classified work and customer trust.Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.ResponsibilitiesIndustrial Security OperationsExecute industrial security operations for assigned classified programs, SCIFs, and secure environments in accordance with NISPOM (32 CFR Part 117) and customer requirementsMaintain SCIF and SAPF accreditation, including Fixed Facility Checklists (FFCs), self inspections, co utilization agreements, and coordination of material changesOversee safeguarding practices including access controls, classified storage, visitor management, and security awareness activitiesPersonnel Security & Access ManagementManage personnel access requests for classified and special access programsCoordinate clearance and access activities with FSOs, CPSOs, and government security officesProvide guidance to employees and managers on security responsibilities, reporting obligations, and compliance expectationsIncident Response & ComplianceInvestigate and report security incidents, violations, and infractions in accordance with regulatory and customer requirementsMaintain auditable security documentation and compliance artifacts to support government inspections, reviews, and internal auditsSupport inspections and remediation of findings within assigned authorityCollaboration & Stakeholder PartnershipPartner with Physical Security, HR, Legal, IT, Facilities, and Program teams to resolve operational security issues impacting classified environmentsServe as the primary security advisor to assigned program teamsEscalate systemic risks, policy interpretation issues, and compliance concerns to senior security leadershipContinuous ImprovementContribute to the improvement of classified security processes, tools, and trainingStay current on government security policies, directives, and customer requirements impacting assigned programsEmbody our culture and values.QualificationsRequired Qualifications:Master's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND 3+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection OR Bachelor's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND 4+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection OR equivalent experience.Other Requirements:Security Clearance Requirements: Candidates must be able to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include, but are not limited to the following specialized security screenings: The successful candidate must have an active U.S. Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) based on a Single Scope Background Investigation (SSBI) with Polygraph. Ability to meet Microsoft, customer and/or government security screening requirements are required pre-offer and post-hire for this role. Failure to maintain or obtain the appropriate U.S. Government clearance and/or customer screening requirements may result in employment action up to and including termination.Citizenship & Citizenship Verification: This position requires verification of U.S. citizenship due to citizenship-based legal restrictions. Specifically, this position supports United States federal, state, and/or local United States government agency customer and is subject to certain citizenship-based restrictions where required or permitted by applicable law. To meet this legal requirement, citizenship will be verified via a valid passport, or other approved documents, or verified US government ClearanceMicrosoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter. Preferred Qualifications:Master's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND 6+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection (enterprise experience) OR Bachelor's Degree in Statistics, Mathematics, Computer Science, Risk Management, Cyber Security, or related field AND 8+ years experience in software development lifecycle, large scale computing, threat modeling, cyber security, or anomaly detection (enterprise experience) OR equivalent experience.5-10 years experienceSecurity Assurance IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.