Technical Security Specialist, Program, Defense Security Cooperation Agency (DSCA)/ Analytical and Enterprise Support Services Indefinite Delivery/Indefinite Quantity (PATAE IDIQ), Courthouse, Virginia

The Opportunity:Tetra Tech is adding a Technical Security Specialist to our Tetra Tech team based in Courthouse, Virginia. Why Tetra Tech:At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.Your Impact:Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.Position Summary:The Defense Security Cooperation Agency (DSCA) Program, Analytical, Technical, and Enterprise (PATAE) contract seeks to support program management, monitoring & evaluation, policy and international affairs, strategic communications, and analytics/R&D, ensuring timely, accurate, and policy‑compliant deliverables. Core capabilities include strategic planning and integration, program design and management, performance improvement, data and resource management, quality control/assurance, and subject-matter expertise in security cooperation operations. The anticipated period of performance is five (5) years with an optional 6-month extension of services.The Technical Security Specialist protects the confidentiality, integrity, and availability of Government and contractor systems, networks, and data by planning, implementing, and sustaining cybersecurity and information‑assurance measures. Working across systems engineering, IT operations, and program offices, this role performs vulnerability assessments, implements hardening standards and mitigations, develops security policies and procedures, and ensures compliance with DoD and agency security requirements to support mission operations and task‑order objectives.Essential Job Functions:· Conduct security assessments and vulnerability analyses for systems, networks, and applications; recommend and implement mitigations and hardening measures.· Develop, update, and enforce cybersecurity policies, procedures, configuration standards, and system hardening guides aligned with DoD/agency requirements.· Implement and manage security controls and tools (e.g., IDS/IPS, endpoint protection, patch management, encryption, logging/monitoring) to protect systems and data.· Monitor security events and alerts, triage incidents, perform forensic/incident response activities, and produce after‑action reports and corrective actions. · Advise program and project teams on secure system design, risk management, and mitigation strategies during development, deployment, and sustainment.· Maintain security documentation in Government repositories and ensure timely submission of required artifacts for audits and surveillance.· Support training and awareness activities for staff on cybersecurity best practices, policies, and incident reporting procedures.Required Qualifications:· Bachelor’s degree in computer science, information assurance, cybersecurity, electrical engineering, or related technical field.· Minimum five (five) years of hands‑on cybersecurity experience protecting DoD or federal information systems, including vulnerability assessment, incident response, and control implementation.· Practical experience with DoD cybersecurity frameworks and processes and applying system hardening standards.· Demonstrated skills with security tools and technologies (SIEM, IDS/IPS, endpoint protection, vulnerability scanners, encryption, patch management).· Experience conducting incident response and forensic analysis, with ability to produce incident reports and remediation plans.· Strong written and oral communication skills for preparing security documentation, briefings, and guidance for technical and non‑technical audiences.· Eligible for or current possession of required security clearance per task order.Preferred Qualifications:· Master’s degree in cybersecurity, information assurance, or related field.· Professional certifications such as CISSP, CISM, GIAC (GSEC, GCIA, GCIH), or Security+ (DoD 8570/8140 aligned).· Prior experience supporting DSCA, security cooperation programs, or other DoD headquarters activities.· Familiarity with systems engineering lifecycle and experience integrating security into development, test & evaluation, and operational transitions.Physical Requirements:· Prolonged periods sitting or standing at a desk and using a computer.Work Environment / Environmental Factors:· This position has no work or environmental factors outside of a standard office environment. Additional Information· Please note this is proposal position conditional upon Tetra Tech being successfully awarded the IDIQ and subsequent task orders. Life at Tetra Tech:The perks of working at Tetra Tech include:· Comprehensive and market-competitive benefits.· Merit-based financial rewards.· Flexibility and company-wide commitment to work/life balance.· Collaborative team atmosphere that values the contributions of all employees.· Learning and development opportunities for ongoing professional growth. About Tetra Tech:Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.We invite applications from all interested parties.Explore our open positions at Follow us on social media to learn more about our people, culture, and opportunities:LinkedIn: @TetraTechCareersX (Twitter): @TetraTechJobs· U.S. Teams and ClientsInfrastructure (International Development)  Additional InformationOrganization: 216 MSI