In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what’s possible. Job Description: Parsons is looking for an amazingly talented, motivated, and customer-oriented Senior Cyber Security Engineer / Information Systems Security Officer (ISSO) to join our team! In this role you will be part of Parsons’ Federal Solutions team providing Systems Engineering Technical Assistance to the Ground-based Midcourse Dense (GMD) Product Office under the Teams-Next Missile Defense Systems Engineering (TN-MDSE) contract managed by the Missile Defense Agency. What You'll Be Doing: Serve as a member of the cybersecurity team, developing system Security Plans (SSPs), Interim Authority to Test (IATT), Authority to Connect (ATC) and, Authority to Operate (ATO) packages. Perform analysis to validate established security requirements and recommends additional security requirements and safeguards where required. Periodically conduct reviews of each system’s audits and monitors corrective actions until all actions are closed. Ensure that system security artifacts are developed, reviewed, and updated as needed. Confirm that all RMF requirements are properly addressed and required artifacts are loaded and managed within Enterprise Mission Assurance Support Service (eMASS). Interface with other cyber teams to review RMF Contract Data Requirements Lists (CDRLs) and ensure timely delivery of CDRL artifacts, while providing feedback to ensure the sufficiency and quality of cyber artifacts. Perform vulnerability/risk analyses of systems using expertise in relevant information systems security. Track and monitor Plan of Action and Milestones (POA&Ms). Conduct reviews of cybersecurity artifacts and technical briefings and work with customer to resolve any findings. Ensure that identified security controls are implemented and operating as intended through all phases of the lifecycle. Track deliverables (i.e., artifacts, schedules, and metrics). Contribute to and may lead the planning and implementation of large programs in the function and regularly interfaces with senior management and executive leadership. Lead, mentor, and provide guidance and instructional aide to Associate and Junior ISSOs. Assist in overall functional strategic planning. What Required Skills You'll Bring: Active Secret clearance Master's Degree in STEM and 12+ years working on missile defense-related or other complex, large DoD program / project. Demonstrated abilities to analyze complex problems, identify root causes, and develop actionable recommendations with effective solutions. Knowledge to perform technical work utilizing the Risk Management Framework (RMF) process including analyzing and solving Information Assurance (IA)-related technical problems. Ability to establish strict program control processes to ensure mitigation of risks and supports for obtaining certification and accreditation of systems. This includes process support, analysis support, coordination support, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits. What Desired Skills You'll Bring: MDA experience and knowledge of MDA processes Security Clearance Requirement: An active Secret security clearance is required for this position. This position is part of our Federal Solutions team. The Federal Solutions segment delivers resources to our US government customers that ensure the success of missions around the globe. Our intelligent employees drive the state of the art as they provide services and solutions in the areas of defense, security, intelligence, infrastructure, and environmental. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation's most critical assets, from Earth to cyberspace. Throughout the company, our people are anticipating what’s next to deliver the solutions our customers need now. Salary Range: $134,100.00 - $241,400.00 We value our employees and want our employees to take care of their overall wellbeing, which is why we offer best-in-class benefits such as medical, dental, vision, paid time off, Employee Stock Ownership Plan (ESOP), 401(k), life insurance, flexible work schedules, and holidays to fit your busy lifestyle! Parsons is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, veteran status or any other protected status. We truly invest and care about our employee’s wellbeing and provide endless growth opportunities as the sky is the limit, so aim for the stars! Imagine next and join the Parsons quest—APPLY TODAY! Parsons is aware of fraudulent recruitment practices. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/. Founded in 1944, Parsons Corporation, a digitally enabled solutions provider, is focused on creating the future of the defense, intelligence, and critical infrastructure markets. From Earth to outer space, we deliver tomorrow’s solutions today. Equipped with the capabilities required to take on any defense, intelligence, or critical infrastructure challenge, our agile, innovative, and disruptive approach enables us to deliver solutions at the speed of relevance. Our people are our greatest asset. We strive to be an employer of choice that engages employees in the community and creates rewarding career paths to cultivate a resilient workforce that is ready for the future. For more about Parsons, visit parsons.com and follow us on Facebook, Twitter, LinkedIn, and YouTube.

Senior Cyber Security Engineer / ISSO.

more at Parsons.

ATI Senior Program Analyst

Program Coordinator / Project Coordinator and Cost Analyst - Saudi National

QA/QC Manager

similar roles.

Account Based Marketer

Associate Director, Security IT Administration

TSU Group Holdings Centurion Learnership Programme 2026 - 2027

Assistant Security & Travel

National Product Manager- Security

Manager - Physical Security & Executive Protection