Federal Information System Security Officer (ISSO)

Federal Information System Security Officer (ISSO)Location: McLean, VA or Richmond, VAWork Environment: HybridRole SummaryExiger is seeking a mission‑driven Federal Information System Security Officer (ISSO) to support the security, accreditation, and regulatory compliance efforts for our U.S. Public Sector business. This role will play a critical part in executing federal security programs, enabling government authorizations, and ensuring secure cloud architecture across civilian and defense environments. It is a hands‑on role focused on driving operational excellence across federal compliance programs while supporting Exiger's continued growth within the federal marketplace.What You'll DoSupport the execution of Exiger's federal information security and authorization strategy across civilian and defense environmentsLead day‑to‑day activities associated with federal accreditation programs, including FedRAMP High, DoD CC SRG IL5/IL6, and agency‑specific Authority to Operate (ATO) initiativesDevelop, maintain, and update System Security Plans (SSPs), POA&Ms, and supporting documentation for federal compliance frameworksEnsure continuous monitoring, audit readiness, and regulatory reporting across all in‑scope systemsBuild and maintain customer‑ready security documentation and assurance packages to support federal procurement and oversightPartner with engineering, cloud infrastructure, and product teams to ensure security controls are properly implemented and maintained within system architecturesTranslate federal cybersecurity requirements (NIST, FISMA, CMMC, RMF) into actionable system‑level controls and implementation guidanceCoordinate with Authorizing Officials (AOs), agency security teams, and third‑party assessment organizations (3PAOs) during authorization and audit processesSupport automation efforts for compliance evidence collection, reporting, and risk management trackingAssist in security briefings and documentation to support federal customer engagements and deliveryWhat You Need5‑10+ years of experience in federal cybersecurity, information assurance, or cloud compliance roles (ISSO, ISSE, or equivalent)Hands‑on experience supporting ATO processes within federal environments, including RMF lifecycle activitiesFamiliarity with FedRAMP and/or DoD IL5/IL6 requirements in cloud or SaaS environmentsStrong working knowledge of federal security frameworks including NIST 800‑53, NIST 800‑171, FISMA, and CMMCExperience developing and maintaining SSPs, POA&Ms, and other accreditation artifactsExperience working in AWS GovCloud, Azure Government, or similar regulated cloud environmentsUnderstanding of cloud security principles including identity and access management, encryption, vulnerability management, and logging/monitoringAbility to work cross‑functionally with engineering, product, and compliance teams to implement and maintain security controlsStrong organizational and communication skills, with the ability to manage multiple systems or programs simultaneouslyActive or ability to obtain and maintain a U.S. security clearanceBenefitsHigh‑performance culture rooted in accountability, collaboration, and a shared commitment to excellenceCompetitive base salary and performance‑based incentivesEquity participation opportunitiesComprehensive medical, dental, and vision coverage401(k) with company matchGenerous paid time off and company holidaysParental leave and family support programsHybrid work environment fostering collaboration and flexibilityAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law.#J-18808-Ljbffr

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