Information Security Manager III

Information Security Manager III Location: Arlington, VA (On-Site)/ Hybrid Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small Business (SDVOSB) About Argo Cyber Systems Argo Cyber Systems provides mission-critical cybersecurity support to U.S. Government agencies and critical infrastructure owners nationwide. Our teams deliver rapid incident response, advanced forensics, and coordinated recovery operations to protect vital systems from evolving cyber threats. We combine technical precision with operational agility-helping federal partners identify, contain, and recover from complex cyber incidents with speed and confidence. Argo Cyber Systems is seeking an experienced Information Security Manager tthat will be responsible for managing the full Risk Management Framework (RMF) lifecycle for IT systems and ensuring compliance with federal cybersecurity standards. This role provides technical leadership and strategic support to management, coordinating security efforts across projects, guiding risk assessments, and implementing DHS IT security standards. The selected candidate will assist in planning, designing, and advancing a cybersecurity lab's security infrastructure, while leading major technology assignments, supporting ATO processes, and collaborating with ISSMs, CISOs, and senior stakeholders. Role and Responsibilities •Work as part of a team of Information Assurance professionals to manage the full Risk Management Framework lifecycle for Information Technology systems •Assisting technical/management leadership on major tasks or technology assignments •Establishing goals and plans that meet project objectives •Assisting in direction and control activities, having overall responsibility for security management, methods, and staffing to ensure that technical requirements are met •Participating in client negotiations and interfacing with senior management •Supporting decision making and domain knowledge that may have a critical impact on overall project implementation •Providing support to plan, coordinate, and implement a cybersecurity lab's information security •Providing support for facilitating and helping the lab identify its current security infrastructure and define future programs, design and implementation of security related to lab systems •Assisting the efforts of security staff to design, develop, engineer and implement solutions to security requirements •Implementing and development of the DHS IT security standards •Gathering and organizing technical information about the lab's mission goals and needs, existing security products, and ongoing programs •Performing risk analyses which also includes risk assessment •Planning and leading major technology assignments •Evaluating performance results and recommends major changes affecting short-term project growth and success •Functioning as a cyber technical expert across multiple project assignments •Working closely with ISSM and CISO to respond to Data Calls and satisfy requirements of ATOs Qualifications, Education and Skills Requirements ·U.S. Citizenship is required. ·Bachelor's degree with 5+ years of directly relevant experience in information security management ·OR High School Diploma and 7+ years of information security management experience. ·Hands on experience with Linux operating systems or Amazon Web Services ·Experience supporting the NIST Risk Management Framework (RMF) process and contributing to a full ATO effort from initiation through authorization, including development of security documentation, control implementation statements, supporting assessment (audit) activities, and performing full POA&M management ·Beginning to end Knowledge of RMF and Assessment and Authorization (A&A) documentation to include SSP, Contingency, Incident & Configuration Mgmt planning and execution ·Experience working on multiple complex assignments which are broad in nature…