Sr. Systems Security Cyber Engineer - Contingent (Onsite - Aurora, CO) TS/SCI required
Quick Summary
Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S.
Requirements
~2 min read- Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience
- U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance
- Active and transferable TS/SCI U.S. government issued security clearance is required prior to start date
- DoDM 8140.03 compliant certification (e.g., Security+, CISSP, or equivalent)
- Experience in Security Technical Implementation Guidance (STIG) and Risk Management Framework (RMF) as described in NIST Special Publication 800-37 and DoD Instruction 8510.01
- Experience with Systems Security Engineering requirements, specifications, and practice implementing DoD and Federal Assessment and Authorization (A&A) Processes and cybersecurity controls and developing and maintaining associated A&A documentation.
- Experience with Linux Commands
- Experience with utilizing vulnerability scanning tools to include Tenable Security Center, STIG Viewer, SCAP Compliance Checker/Tools
- Experience working on U.S. Government contract proposals as a Cybersecurity Engineering subject matter experienced professional
- Familiar with cloud and/or virtualization technologies
- Familiar with Containerization (e.g., Docker/Kubernetes)
- Familiar with Cross Domain Solutions (CDS)
- Experience with IT, network, and system security administration, including security configuration and account management best practices for Windows, UNIX, Red Hat Enterprise Linux, and Cisco Systems
- Experience utilizing information security toolsets, including anti-virus, vulnerability assessment, HIDS/NIDS, host-based and endpoint security, Multi-Factor Authentication (MFA), Security Information and Event Management (SIEM), and centralized auditing resources
- Previous experience with Program Protection Plans (PPP), DoDI 5000.02, and DoDI 5200.39
- Experience with implementing highly technical solutions and reporting their importance to program managers and stakeholders
- Written and verbal communications skills, with the ability to work independently
THIS ROLE IS CONTINGENT: Employment is based on contract award and customer funding.
At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.
Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.
Join our highly visible team and perform technically challenging assignments, which will closely contribute to protecting our nation and our products. We are seeking a Senior Systems Security (Cybersecurity) Engineer to function as a key contributor for the Product Cybersecurity Organization (PCO) team.
As a member of the High Band Mission Application Software (HBMAS) Systems Security Engineering (SSE) team, you will develop solutions to secure the Warfighter’s technical advantage. The SSE team creates comprehensive security solutions by leveraging multiple disciplines, including Anti-Tamper (AT), Software and Hardware Assurance, Cryptography, and Supply Chain Risk Management (SCRM), to implement robust program protection across various systems.
Responsibilities
~1 min read- →Support the development of RMF documents and controls validation testing for Authorizations to Operate (ATOs)
- →Ensure proposed system changes are reviewed and implemented to ensure that system modifications do not adversely affect the security of the system
- →Implement security improvements by assessing the current situation; evaluating trends; and anticipating requirements
- →Support the development of cybersecurity requirements, design and architecture artifacts, plans, and policies
- →Analyze collected cybersecurity data and test results
- →Have hands-on technical duties and will provide on-site security engineering, systems administration, and cybersecurity support to the program
- →Work with the Software Engineering and/or System Engineering teams to implement cybersecurity policies, harden the system, and document findings
- →CONUS/OCONUS travel (up to 25%)
- →You will enhance your leadership capabilities and systems security engineering expertise, gaining specialized skills that will differentiate you in the industry
- →You will develop deep technical expertise to become a cybersecurity subject matter expert (SME), while gaining valuable exposure to multiple business models and product lines in a dynamic, ever-evolving field. We are growing and so can you!
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What We Offer
~1 min readLocation & Eligibility
About this job
- Posted
- 7 days ago
Listing Details
- Posted
- October 9, 2026
- First seen
- October 10, 2026
- Last seen
- October 16, 2026
Posting Health
- Days active
- 5
- Repost count
- 0
- Trust Level
- 33%
- Scored at
- October 16, 2026
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