Sr Cyber Engineer (ISSE

About this position

Lyntrisis a defense technology company that connects sensing to action across the connected battlespace.

Lyntrisbrings together the talents of Accelintand Vitesse teams under one mission, with each contributing deepexpertisewithin their domain.

Combining differentiated hardware,software and mission expertise,Lyntrishelps customers sense threats, make sense of complex conditions and act with greater speed,precisionand confidence in contested environments.

Lyntris supports U.S. and allied defense organizations across every branch — including Navy, Army, Air Force, Space Forceand allied partners — spanning strategic,operational and tactical missions and every domain:
Space, Air, Land, Sea and Cyber. With more than 200 active defense programs,Lyntrisworks at every level of the mission, from national command authority to the tactical edge.

Solutions are designed by operators who understand the mission, engineered for the conditions that degrade or defeat standard systems, and built on an open, modular architecture that integrates into existing programs without requiring them to start over.

Lyntrismoves faster than the traditional defense cycle — with integrated design, build and test capabilities in-house — and delivers systems that sustain and endure long after initial fielding.

Weareseekingan Information Systems Security Engineer (ISSE)/Cybersecurity Engineertosupport Risk Management Framework (RMF),cybersecurityengineering,Assessment&Authorization(A&A),vulnerability management,andcomplianceactivitiesacrossmultiple

Departmentofthe

Navy(DON) systemsandprograms.

Thispositionwillserveasakeycybersecurityadvisortoprogramleadership,engineers,Information System Security Managers (ISSMs),andstakeholdersthroughoutthesystemlifecycletoensuresystemsachieveandmaintainauthorizationwhilemeetingcybersecurityrequirements.

TheidealcandidatewillpossessextensiveexperiencewithRMFimplementation,cybersecurityengineering,vulnerabilityassessments,accreditation activities,andcompliancemanagementwithin

Department of

Defense(DoD) environments.

Thisrolerequirestheabilitytocoordinateacrossmultipletechnicalteams,manageauthorizationschedules,evaluatesystemarchitectures,andprovidecybersecurityexpertisethroughoutsystemdevelopment,testing,deployment,andsustainmentactivities.

• Serve as the Information Systems Security Engineer (ISSE) supporting Risk Management Framework (RMF), Assessment & Authorization (A&A), cybersecurity compliance, and continuous monitoring activities throughout the system lifecycle for DoD programs and systems.
• Develop, maintain, and assess cybersecurity policies, procedures, security documentation, authorization artifacts, and compliance records in accordance with NIST, DoD, NAVWAR, and CNSSI requirements, leveraging tools including eMASS, VRAM, DADMS, and DITPR-DON.
• Conduct cybersecurity risk assessments, vulnerability analyses, security control evaluations, and remediation activities; support IAVM compliance, ACAS scanning, deficiency tracking, corrective action planning, and continuous authorization readiness.
• Collaborate with program managers, ISSMs, engineers, development teams, test organizations, and government stakeholders to integrate cybersecurity requirements into system design, development, testing, configuration management, and operational planning activities.
• Evaluate COTS, GOTS, open-source technologies, Cross Domain Solutions (CDS), PPSM requirements, and engineering changes to determine cybersecurity impacts, authorization requirements, and compliance with RMF and security control standards.
• Coordinate RMF schedules, security assessments, technical baseline reviews, modernization initiatives, and lifecycle cybersecurity activities while providing status reporting, risk mitigation recommendations, and accreditation support to leadership and program stakeholders.

• Bachelor’s degree in Cybersecurity, Information Assurance, Information Technology, Computer Science, Engineering, or a related technical field.
• Minimum of 8+ years of cybersecurity, RMF, information assurance, or cybersecurity engineering experience supporting DoD or Federal programs.
• Lead…