Information Systems Security Engineer

Momentum Engineering, Inc., a Woman-Owned Small Business (WOSB), fosters an employee-centric culture. Our strength lies in our people. With a high percentage of employees holding advanced degrees in engineering, computer science, and related disciplines, we bring deep technical expertise to every mission. Our team includes professionals with security clearances and full-scope polygraphs, ensuring trusted, secure support for the most sensitive national security initiatives. Additionally, our workforce is equipped with industry-leading certifications, demonstrating a commitment to continuous learning and excellence. Most importantly, our exceptional employee retention rate reflects a culture of professional growth, mission focus, and dedication—ensuring long-term stability and expertise for our customers’ critical needs.

Job Summary

• Seeking an experienced Information Systems Security Engineer (ISSE) to support a large-scale, complex technical program in a mission-critical environment
• The ideal candidate will have extensive experience in systems security engineering, security architecture, vulnerability assessment, and Risk Management Framework (RMF) implementation
• The ISSE will collaborate closely with engineering, development, and program management teams to integrate security throughout the system lifecycle and maintain a strong security posture across geographically distributed systems

Primary Responsibilities

• 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
• Assessing 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 meets security requirements
• Analyzing and assessing system implementation against multiple security compliance policies and recommending and implementing enhancements
• Evaluating security solutions to ensure they meet customer specified requirements for processing information
• Evaluating the impact of new development on the operational security posture of the system
• Evaluating, reviewing, and testing critical software
• Proposing, assessing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies
• Auditing and assessing system security configuration settings using common methodologies and tools
• Managing and enforcing security strategies and policies that effect various components of geographically distributed systems
• Providing configuration management for security-relevant information system software
• Serving as a subject matter expert in security architecture to include 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

• Must have active Top Secret/SCI with NSA FSP
• Must have at least 12 years of experience working as an ISSE on a large technical program
• Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools
• 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 desktop and server operating systems
• Must be comfortable working on multiple systems and components simultaneously in various configurations
• Must have strong verbal and written communications 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

Desired Qualifications

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a 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.
• DoD 8570 compliance with IASAE Level 2 or 3
• Information Systems Security Engineering Professional (ISSEP) Certification
• Computer Information Systems Security Professional (CISSP) Certification
• 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

Exempt hourly position. 11 paid holidays, minimum of 3 weeks PTO, company sponsored group medical plan, company paid dental, vision, life insurance, and STD/LTD plans. Salary is dependent upon the candidate’s experience and qualifications.