Secret Cleared Devsecops Engineer Jobs in O Fallon, IL

Geospatial Cyber Security Engineer - Multiple Positions at Junior/Mid/Senior Levels

NV5 Geospatial (NV5G) is actively recruiting qualified and cleared Geospatial Cyber Security Engineers to support national security client sites in the Northern Virginia and St. Louis, MO areas. Candidates will support critical DoW and Intel missions and programs. You will focus on cybersecurity engineering, risk management, and compliance across cloud and on-prem systems, supporting system authorization, vulnerability management, and secure operations in classified environments. A Top Secret Clearance with SCI eligibility or an active TS/SCI are required conditions of employment.

Work Environment:

• Location: St. Louis, MO Area (St. Louis, MO and/or St. Charles, MO)
• Travel up to 15% of the time

At NV5, we are a collaboration of intelligent, innovative thinkers who care for each other, our communities, and the environment.  We value both heart and head, the diversity of our people, and their experiences because that is how we continue to grow as a leader in our industry and expand our individual and collective potential.

NV5 is a global technology solutions and consulting services company with a workforce of over 4,500 professionals in more than 100 offices worldwide.  NV5's continued growth has been spurred through strategic investments in firms with unique capabilities to help current and future customers solve the world's toughest problems.  The NV5 family brings together talent across a wide range of markets and fields, including Professional Engineers, Professional Land Surveyors, Architects, Photogrammetrists, GIS Professionals, Software Developers, IT, Project Management Professionals, and more.

• Applying RMF processes to support system Assessment & Authorization (A&A), including control selection, implementation, assessment, and continuous monitoring
• Developing, reviewing, and maintain security documentation such as SSPs, POA&Ms, SARs, and ATO artifacts in tools such as XACTA or eMASS
• Conducting vulnerability assessments and compliance scans (e.g., ACAS) and tracking remediation of findings and IAVM requirements
• Implementing and validating security controls aligned with NIST 800-53, CNSSI 1253, and related DOD guidance
• Supporting system hardening, patching, and configuration management in compliance with STIGs for Linux, Windows, and network devices
• Monitoring systems for security events and supporting incident response and risk mitigation activities
• Assessing security impacts of system changes and supporting configuration control boards (CCBs)
• Collaborating with systems engineers, administrators, and DevSecOps teams to integrate security throughput the system lifecycle
• Providing cybersecurity risk input to program leadership, Authorizing Officials (AOs) and stakeholders

Required Qualifications:

• US citizenship with Active or Current (within two years of active) Top Secret Security Clearance with SCI eligibility
• Bachelor's degree in Computer Science, Engineering, DevOps, or related technical field
• 5+ years of relevant experience
• DoD 8570 IAT Level II or higher certification (e.g., Security+, CySA+, CISSP)
• Experience with RM, A&A, POA&M, and ATO documentation (XACTA/eMASS)
• Hands-on vulnerability scanning and compliance tracking (ACAS, IAVM)
• Experience securing Linux and Windows systems, STIGs, patching, and system hardening
• Knowledge of NIST 800-series publications and incident response processes
• Strong analytical, communication, and collaborative skills

 Preferred Qualifications:

• Scripting or development experience (Python, Java, React)
• DevSecOps tools and pipeline experience
• Experience with Linux (RedHat/CentOS), database, web apps, or big data platforms
• Familiarity with Agile environments and tools (Jira, Confluence)
• Experience with NIST SP 800-171 and Systems Security Engineering (SSE)

Clearance Requirement:

• Active/Current Top Secret Clearance with SCI Eligibility

NV5 offers a competitive compensation and benefits package including medical, dental, life insurance, FTO, 401(k) and professional development/advancement opportunities.

Employment is contingent upon successful completion of a background check and drug screening.

NV5 provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws. NV5 complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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