Information Systems Security Engineer

Hoplite Solutions is seeking Information Systems Security Engineers (ISSE) to join us on a contract being awarded in November 2025. The Information Systems Security Engineer will perform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Cybersecurity standards and regulations, and recommend mitigation strategies. Validate and verifies system security requirements definitions and analysis and establishes system security designs. Design, develop, implement and/or integrate Cybersecurity and security systems and system components including those for networking, computing, and enclave environments to include those with multiple enclaves and with differing data protection/classification requirements. Review certification and accreditation (C&A) documentation, provide feedback on completeness and compliance of its content. Support security authorization activities in compliance with CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed CSS business processes for security engineering. Primary Responsibilities: Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of secure networking, computing, and enclave environments Apply knowledge of Cybersecurity policy, procedures, and workforce structure to design, develop, and implement secure networking, computing, and enclave environments. Interact with the customer and other project team members Participate as the primary security engineering representative on engineering teams for the design, development, implementation, evaluation, and/or integration of Cybersecurity architectures, systems, or system components Support the Government in the enforcement of the design and implementation of trusted relationships among external systems and architectures Support security planning, assessment, risk analysis, and risk management Identify overall security requirements for the proper handling of Government data Provide security planning, assessment, risk analysis, and risk management. Perform system or network designs that encompass multiple enclaves, to include those with differing data protection/classification requirements Recommend system-level solutions to resolve security requirements Basic Qualifications: Active TS/SCI with Polygraph Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. In lieu of a Bachelor's degree, four (4) additional years of ISSE experience may be substituted 12 years' experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the 5 years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture DoD 8570 compliance. Both Information Systems Security Engineering Professional (ISSEP) and CISSP Certifications are required. Hoplite Solutions offers very competitive salaries and an excellent benefits package, to include a 7% employer 401k contribution, fully paid healthcare for our employees, outstanding training benefits, company funded life insurance and short-term disability insurance, and many more. Salary at Hoplite Solutions is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $185,000 to $225,000 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of the company total compensation package for employees.