Information Systems Security Engineer (ISSE)

Information Systems Security Engineer (ISSE) (MD) (Mid/Sr.-TS/SCI w/FSP-Onsite) Annapolis Junction, Maryland Full Time We are currently seeking an Information System Security Engineer (ISSE) to support a nationally significant and fast-paced program. An ISSE is needed to provide support for adding new capabilities to a complex system with an exacting interface, performance, and security requirements. The selected individual will become part of a team of Security Engineers working on solving challenging issues on a large, significant program. The position requires a solid understanding of security practices and policies as well as hands-on vulnerability testing experience. The selected individual will collaborate with other engineers and technical experts in providing improvements to our operational, test, integration, and development systems. Responsibilities: The selected candidate will have numerous responsibilities from day to day drawn from a wide array of activities. The strongest candidates will have experience working in these areas: • Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. • Identifying and implementing appropriate information security architectures and functionality to ensure uniform application of security policy and enterprise solutions. • Recommending and developing technical solutions, products, and standards based on current and desired system security architecture. • ssessing and mitigating system security threats and risks throughout the program life cycle. • Leading and/or contributing to the security planning, assessment, risk analysis, risk management, certification, and awareness activities for various system and networking operations. • Effectively collaborating with other internal technical experts on a day-to-day basis. • Communicating with Program Managers and POCs from customer organizations when necessary regarding Security issues of significant importance. • Participating in program increment planning and related agile team activities. • Working closely with System Engineering, Test Engineering, and Integration teams to ensure that the hardware and software architecture and implementation meet the security requirements for processing classified information. • nalyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements. • Evaluating the impact of new development on the operational security posture of the system. • Evaluating, reviewing, and testing security-critical software. • Proposing, assessing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. • uditing and assessing system security configuration settings using common methodologies and tools. • Managing and enforcing security strategies and policies that affect various components of the geographically distributed systems. • Evaluating security solutions to ensure they meet customer-specified requirements for processing classified information. • Providing configuration management for security-relevant information system software. • Serving as a subject matter expert in security architecture including providing advice to Program Managers, Customer technical experts, and internal program teams. • Formulating security compliance requirements for new system features. • Identifying and remediating security issues throughout the system. • Supporting risk assessment, risk management, security control assessment, continuous monitoring, service design, and other IA program support functions. • Working with development teams to enrich team-wide understanding of different types of vulnerabilities, attack vectors, and remediation approaches. • Planning and conducting security verification testing of relevant type 1 devices. Required Qualifications: • Clearance: TS/SCI w/ FS Poly • Must have Computer Information Systems Security Professional (CISSP) Certification. • Must have Information System Security Engineering Professional (ISSEP) Certification. • Must have experience applying Risk Management Framework. • Must have experience formulating and assessing IT security policy. • Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP, and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services. • Must have experience with secure configurations of commonly used desktops and server operating systems. • Must be comfortable working on multiple systems and components simultaneously in various configurations. • Must have strong verbal and written communication skills. • Must be committed to adopting and adhering to best practices. • Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs. • Must be capable of performing high-quality work both independently and with a team in a fast-moving environment. Preferred Qualifications: • Bachelor's degree or Master's Degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline. • Five 5 years of experience with Defense in Depth Principals/technology including access control, authorization, identification and authentication, public key infrastructure, network, and enterprise security architecture and applying risk assessment methodology to system development. • Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti-virus planning assistance, risk analysis, and incident response. • Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls that encompass the development, design, and implementation. • Experience with penetration testing tools. • Experience with scripting languages. Skills and Certifications TS/SCI w FS Poly CISSP

Created: 2026-03-04