Information Systems Security Officer

Welcome page Returning candidate? Log back in! Information Systems Security Officer Job Locations US-MD-Linthicum Requisition ID 2026-166481 Position Category Cyber Security Clearance Top Secret/SCI Responsibilities Peraton is seeking a Information Systems Security Officer in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. This position offers a unique opportunity to work at the forefront of cyber investigations, digital forensics, cyber threat analysis, and mission support in a dynamic and collaborative environment. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Individuals who are passionate about cybersecurity, committed to excellence, and eager to make a meaningful impact are encouraged to apply. We are looking for an Information Systems Security Officer (ISSO) with a proven track record of DevSecOps success to include a combination of technical skills, communication skills, and cybersecurity skills. The successful candidate will be responsible for ensuring the implementation and maintenance of security controls in accordance with RMF v5, managing ATO packages, drafting security documentation including Operating Procedures, Cybersecurity Strategy (CSS), System Security Plans (SSP) ATO packages as well as System Security and Privacy Plan (SSPP) in accordance with DoD policies, Department of Airforce (DAF) regulations and our Federal Government customer's guidance. The candidate must have expert knowledge and demonstrated experience with cybersecurity technologies, risk management, and incident response procedures as well as have a solid working understanding of computer functions, including hardware, software, and operating systems. This includes knowledge of Windows, Unix, and Linux operating systems, along with other applications such as databases, web servers, networking technologies, including routing, switching, and VPNs. It’s a bonus if the candidate has experience with cloud computing platforms such as AWS and Azure. The ISSO must be able to work autonomously, manage their workload effectively, shift priorities with little to no loss of productivity and communicate effectively with technical and non-technical personnel. *This position requires full-time, onsite attendance Monday through Friday in the Baltimore metropolitan area.  Qualifications Required Qualifications:Well-versed in best practices for cyber security program standards, processes, and procedures compliance, industry-standard security frameworks and demonstrated expert working knowledge of NIST Special Publication (SP) 800-53: Recommended Security Controls for Federal Information Systems, NIST SP 800-53A: Guide for Assessing the Security Controls in Federal Information Systems, AFPD 17-1 and AFI 17-130, Cybersecurity Program Management.Ability writing security policies and procedures, CSS, SSP, SSPP, and assess all ATO package artifacts.Expert knowledge of Risk Management Framework (RMF) v5 (Processes, workflow, etc.).Ability to use eMASS to execute, RMF v5 to include document / update system status, identify, document, and manage implementation of operational and technical security controls, implementation and risk assessment tabs, non-compliant and non-validated controls, POAM management (entry, evidence, close-out), produce report and track Plan of Action and Milestone (POA&M) due dates, etc.The ability to complete a checklist to ensure Security Authorization Process documents are complete and comply with all guidance.Ability to work collaboratively with IT counterparts, communicate effectively (skilled in communicating complex technical information to non-technical audience) and coordinate STIG remediation with system administrators and developers.Ability to conduct risk...