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Systems Security Engineer III

Job in Lone Tree, Douglas County, Colorado, 80124, USA
Listing for: Sierra Nevada Corporation
Full Time position
Listed on 2026-09-20
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 108496 - 149183 USD Yearly USD 108496.00 149183.00 YEAR
Job Description & How to Apply Below
## Systems Security Engineer IIIApply:
In office:
Lone Tree, CO:
Beavercreek, OH:
Full time:
Posted Today:
R0030845

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems. Its end-to-end Command, Control, Computers, Communications and Intelligence, Surveillance & Reconnaissance (C4

ISR) capabilities encompass design, integration, test, certification, ground/flight training and complete logistics support. IAS tailors solutions to customer cost, performance, and schedule requirements and designs to consistently exceed expectations – with an unrivaled record of on time and on (or under) budget deliveries.

SNC has led thoughtful and disruptive change in the aerospace and defense industry for the past 60 years and now, we’re applying this tenacity and expertise to the U.S. Air Force’s (USAF) Survivable Airborne Operations Center (SAOC) mission. Join the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies.

If you’re passionate about building the airborne command post of the future, consider SNC for your next mission. Learn more about NC3 and SAOC here.

Are you looking for an opportunity to deepen your IT skills in a meaningful work environment that supports and protects explorers and heroes? Join our team! As a Systems Security Engineer III, you will play a pivotal role in ensuring the security of our IT infrastructure. You will lead the design, implementation, and maintenance of secure IT systems, and take charge of high-level incident response and digital forensics.
** Responsibilities:**
* ** CI/CD Optimization & Process Automation:
** Collaborate with engineering teams to define and execute an automation roadmap, enhance CI/CD pipeline integration, and streamline build, patch, and release processes.
* ** Software Configuration Management & CCB Governance:
** Direct the Software Configuration Management (SCM) lifecycle—including facilitating the Configuration Control Board (CCB), managing baseline changes, and controlling the release of baseline CSCIs, build artifacts, and supporting documentation (e.g., A&A RMF packages, KBAs, installation scripts).
* *
* Cross-Functional Collaboration:

** Partner with product management and developers to refine requirements, establish acceptance criteria, coordinate UAT, and drive quality early in the SDLC.  
** Qualifications You Must Have:
*** Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related Engineering discipline
* 5+ years of experience in IT security or a related field.
* Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 9 years of related experience is required.
* Higher level relevant degree may substitute for experience.
* Advanced understanding of cybersecurity principles and practices.
* Experience with security frameworks and standards such as National Institute of Standards and Technology (NIST), ISO 27001.
* ** Current/Active Secret U.S. Security Clearance is required**.  
** Qualifications We Prefer:
*** Information Systems Security Engineer Certified Authorization Professional (ISSE CAP) Certification.
* Information System Security Officer (ISSO) Security+, Certified Information Systems Auditor (CISA), or CompTIA Advanced Security Practitioner (CASP+) Certification.
* Microsoft…
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