S-Senior Information System Security Officer (ISSO) - TS/SCI w/ Polygraph

Company: Sunayu
Location: Gambrills
Posted on: February 21, 2026

Job Description:

Job Description Job Description Salary: $190,000 - $220,000 Location: Annapolis Junction, MD Category: Senior Information System Security Officer (ISSO) Travel Required:No Remote Type: No Clearance: TS/SCI w/ Polygraph Senior Information System Security Officer (ISSO) The selected candidate will act as an ISSO for a large software development program which includes software maintenance and development, IT support (Network/Workstation/Server), systems integration and life cycle support, enterprise application development, network engineering, and information systems security (ISS). The candidate will work with other security professionals in developing and implementing strategies to detect and mitigate threats to information systems, protect critical data sets, and provide assessments of system and network vulnerabilities. Primary Roles and Responsibilities Provide support for implementing and enforcing information systems security policies, standards, and methodologies. Assist in the evaluation of security solutions to ensure they meet security requirements for processing multiple types of information. Assist with the Configuration Management for information system security software, hardware, and firmware. Analyze threats and develop and implement best practice methodologies for incident detection, reporting, and vulnerability remediation. Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, etc. to include system upgrades. Evaluate security solutions to ensure they meet security requirements for processing information. Maintain operational security posture for information systems. Provide support to the Information System Security Manager (ISSM) for maintaining the appropriate operational IA posture for a system/program/enclave. Develop and maintain documentation for Certification & Accreditation in accordance with specified policies. Develop and update system security plans and other IA documentation. Provide support for Information Assurance Vulnerability Alerts (IAVAs) management (initiating IAVA responses and system security scans, completing remediation, extending IAVA patches and security updates to designated sites, etc.). Provide CM for security-relevant information system software, hardware, and firmware. Develop system security policy and ensure compliance. Administer the user identification and authentication mechanisms of the Information System. Basic Qualifications Must have at least 10 years of experience as ISSO working independently, and/or on teams maintaining secure information system operations in isolated, connected and standalone environments. Must have at least 5 years of experience using tools to support IAVA management. Must have at least 5 years of experience using tools to support the preparation, maintenance, and management of SSPs and other security related documentation. Demonstrated knowledge of and experience with several of the following: current security tools; hardware/software security implementation; communication protocols; encryption techniques/tools. In-depth experience completing security evaluations of software systems or architectures to ensure they meet security requirements. In-depth experience proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies, preferably on a large software or IT program. Demonstrated experience performing day-to-day security operations of large, complicated information and information processing systems. Must be committed to developing and adhering to best practices. Must possess a high level of self-initiative and must be a solutions-oriented team player. Must have excellent interpersonal skills. Preferred Qualifications Bachelor's degree in a related field and at least 12 years of relevant experience. Extensive experience as an Information Systems Security Officer on large software development and integration programs. DoD 8570 compliance with IAT Level II or higher. DoD 8570 compliance with IAM Level II or higher. Who We Are Sunayu, LLC serves as a premier technology partner to the Defense and Intelligence communities, delivering mission-critical engineering solutions across the nation. Our operations are anchored in a commitment to trust, accountability, and ethical transparency, ensuring the high-performance outcomes necessary to protect our country's most vital interests. Culture Our strength lies in our community: Our team prioritizes collaboration, professional growth, and encourages open communication. At Sunayu, we don't just secure the missionwe grow together. Career Development We support and encourage our team members to continue their professional growth by providing company-reimbursed training and continuing education of up to $5,000 per year. We also participate in many industry conferences and events where we share our expertise and experiences. Pay Rate Salary range considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills, as well as market and business considerations when extending an offer. Benefits 3 Medical Plan Options Dental and Vision FSA, DCFSA, HSA Life/AD&D Insurance Short-Term & Long-Term Disability Employee Assistance Program (EAP) Training and Educational Assistance Paid Time Off (PTO) 11 Federal holidays 401k plan with up to a 6% match (100% immediate vesting) Equal Opportunity Employer Sunayu, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, protected veteran status, disability status, marital status, genetic information, medical condition, or any other characteristic protected by law.

Keywords: Sunayu, Rockville , S-Senior Information System Security Officer (ISSO) - TS/SCI w/ Polygraph, IT / Software / Systems , Gambrills, Maryland