Cyber Security Engineer (TS/SCI) at Apex Systems in Aurora, CO

Job#: 2026468

Job Description:

Apex Systems, a World-Class Technology Solutions Provider, is currently hiring for a Cyber Security Engineer on behalf of their client. Ideal candidates will have the experience below, please note only qualified applicants will be contacted.
Position: (2026428)
Security Clearance Required: (TS/SCI)
Pay Rate Range: $60-$80
Duration: Long Term
Location: Onsite
Additional Details: 8a - 5p
Day to Day Responsibilities: Linux, RMF, ACAS & patch management
Required Skills and Experience: Linux, RMF, ACAS & patch management

Cyber Security Engineering team for a Senior Cyber Engineer supporting the operations and maintenance of custom solutions and Assessment & Authorization (A&A) activities in Aurora, CO and Boulder, Colorado. This position requires work on-site at Aurora campus and some work will be performed at the customer location in Boulder. There are some specialized skillsets for this role: experience with vulnerability assessment and analysis experience utilizing Assured Compliance Assessment Solution (ACAS) and DISA STIGs to include hands on experience in manual hardening and system compliance and a firm understanding of security design concepts with ability to develop solutions to moderately complex IS compliance and security problems.
Work Location: Aurora, CO
Position Type: Onsite
Responsibilities to Anticipate:
• Ensure security compliance and vulnerability scanning/remediation across multiple platforms and networks
• Preparing documentation (artifacts and bodies of evidence) to support assessment and authorization (A&A) activities necessary to ensure system sustained Approval to Operate (ATO)
• Assisting in defining of cyber requirements and design solutions, providing guidance and direction related to security technologies, performing analysis on cybersecurity collected data and test results, identifying, and implementing cybersecurity design, and preparing and maintaining engineering and security related documentation
• Applying knowledge of current IA policies as a contributor to the architecture and design of secure solutions to customer needs and requirements
Clearance Requirement: Must be a US Citizen with an active DOD Secret clearance.
Top Secret/SCI Clearance is preferred
Hours: Monday-Friday, 8:00am to 5:00pm
Location: S75 Aurora Colorado United States
Basic Qualifications:
• Experience with cyber security engineering projects and programs for U.S. Government clients
• Typically requires a Bachelors degree in Science, Technology, Engineering or Mathematics (STEM) and 2+ years of engineering experience in cyber security
• Experience with Risk Management Framework (RMF), NIST 800-37, Continuous Monitoring IAW NIST 800-137, Patching IAW NIST 800-40, NIST 800-53 and CNSSI 1253
• Experience with vulnerability assessment and analysis experience utilizing Assured Compliance Assessment Solution (ACAS) and DISA STIGs
• Develop and augment automation through scripting or programming and collaborating w/ teams for security functionality to meet cyber requirements
• Required Security Certification in accordance with DoD 8570.01 IAT-II for a Linux environment (e.g., Security+ CE and Linux OS Certification); NOTE: Certification is required at start
Preferred Qualifications:
• Knowledge of secure coding practices and enforcement through DevSecOps pipelines
• Hands on experience in manual hardening and system compliance
• Understanding of security design concepts with ability to develop solutions to moderately complex IS compliance and security problems
• Some Experience with Agile, Scrum, HW and SW life-cycle management, & engineering change proposal processes
• Hands-on technical experience as an individual contributor with documented skills and experience in one or more of the following areas:
• Linux system administration
• COTS and FOSS patch management/deployment experience
• Strong communications skill with program leadership organizations
• Ability to establish tasks and objectives and ensure the entire team understands and can work towards the vision and objectives
• Ability to work in a team environment and work collaboratively across traditional engineering disciplines
• Must be a self-starter capable of multitasking and efficiently managing your time

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or 844-463-6178.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

EEO Employer

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.