> Markdown version of [/jobs/ext/4691843-lead-cybersecurity-engineer](https://www.wearedevelopers.com/jobs/ext/4691843-lead-cybersecurity-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Cybersecurity Engineer - **Company:** ActioNet, Inc. - **Location:** Arlington, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Microsoft Word, Microsoft Excel, Cyber Security, Information Systems, Data Security, Identity and Access Management, Internet Security, Network Security, Microsoft Visio, Microsoft PowerPoint, Software Vulnerability Management, Plan of Action and Milestones - **Published:** November 12, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-cybersecurity-engineer-arlington-va--5529a7f5-0cab-4074-bc14-54304b955a42 ## About the Role Internet Security, Internet Security, Testing, Documentation, Computer Security, Network Security, U.S. National Institute of Standards and Technology (NIST), United States Department of Defense (DoD), Information/Data Security (InfoSec), IAM - Information Assurance Management, Degree: Technical BA/BS degree; Experience: 7 years with BA/BS degree; Commensurate: High School diploma or associate degree plus a minimum of 10 years of experience as a Cybersecurity Engineer on large, complex programs/systems.; Specific Skills: Minimum of 2 years of experience leading/managing a cybersecurity team; experience working with DoD or USG programs; proficient with MS Office Suite (Word, Excel, PowerPoint, Visio); Certification(s): DoDI 8140.03 IIAM Level III, CISSP, and CISM ## Description ActioNet is seeking a Lead Cybersecurity Engineer to join our team in Vienna,VA. Responsible for all cybersecurity architecture and vision across the program. Selects applicable RMF controls and ensures engineers apply them. Responsibilities * Oversees ATO testing, collection of bodies of evidence, and documentation. Ensures network vulnerabilities (IAVA, CVE) are understood and remediated. * Serves as the technical authority and SME on information security RMF for DoD and NIST RMF accreditation testing and evaluation. Performs as Cybersecurity Lead and technical expert across multiple BIM TOs. * Experienced in the DoD RMF process. * Interacts with USG RMF personnel and participates in Cybersecurity meetings. * Holds an IAM Level III certification. * Formulates and implements security certification methods for projects/programs conforming to DoD and Federal cybersecurity requirements * Enforces Enterprise-level, established security policies. * Advises on best practices of design, development, and continuous monitoring of an information system, developing and updating process documentation as needed. * Advises on vulnerability management and security scanning practices. * Applies knowledge of IA policies, procedures, and workforce structures to design, develop, and implement secure networking, computing, and enclave environments, establishing proper security handling of USG data. * Supports security planning, assessment, risk analysis, and risk management using the RMF in execution of the RMF processes, including the completion of RMF process steps in eMASS, the development of RMF artifacts (Security Plan, POA&M, Continuous Monitoring Plan, Risk Assessment Report, etc.), and the implementation and assessment of Security CCIs. * Conducts briefings and provides metrics as required by executive management. * Addresses C-SCRM with requirements with Logistician; ensures proper identification and mitigation of cyber-supply chain risks.