> Markdown version of [/jobs/ext/3968421-information-system-security-officer](https://www.wearedevelopers.com/jobs/ext/3968421-information-system-security-officer). 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). --- # Information System Security Officer - **Company:** Data Inc - **Location:** Vienna, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Cyber Security, System Configuration, Linux, Information Security Management, Intrusion Detection Systems, Key Management, Network Architecture, Network Protocols, Security Software, Security Information and Event Management, CIS Benchmarks - **Published:** October 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/ffab5d3b-472e-4a0a-9972-ed082d6196f8/information-system-security-officer ## About the Role * Minimum of five (5) years of professional experience serving as an Information Systems Security Officer (ISSO) or in a closely related cybersecurity role. \n * Experience supporting systems within a 24/7 operational environment. \n * Strong understanding of systems security requirements, cybersecurity policies, and federal information security practices. \n * Hands-on experience supporting cybersecurity incident response, investigation, and management. \n * Familiarity with recognized cybersecurity frameworks and standards, including NIST, ISO 27001, and CIS Controls. \n * Experience using threat monitoring and security event management platforms. \n * Working knowledge of cybersecurity technologies and tools, including firewalls, IDS/IPS solutions, and SIEM platforms. \n * Understanding of network protocols, network architecture, and associated security considerations. \n * Knowledge of data encryption methods and cryptographic key management practices. \n * Experience supporting compliance with FISMA and related federal cybersecurity requirements. \n * Working knowledge of Windows and Linux operating systems and their associated security features and controls. \n * Experience developing, implementing, or maintaining internal security policies, agency standards, and cybersecurity procedures. \n * Proficiency with cybersecurity risk assessment, risk analysis, and risk management methodologies. \n * Hands-on experience configuring, administering, or managing cybersecurity tools and security systems. \n ## Description n \n * Support system security planning, implementation, management, and maintenance in accordance with federal cybersecurity standards and requirements. \n * Ensure compliance with agency security policies, FISMA, and other applicable regulations. \n * Monitor and manage security controls and respond to cybersecurity incidents and events. \n * Conduct system risk assessments and develop appropriate mitigation strategies. \n * Maintain and update system security plans (SSPs), POA&Ms, and other security documentation. \n * Coordinate with stakeholders on A&A activities and provide continuous monitoring of system security postures. \n