Six Figure Work

Systems Security Engineer III

Sierra Nevada Corporation (SNC)

Company websitesncorp.com (Sierra Nevada Corporation (SNC), opens in new tab)

Base salary $113,922  to $156,642

Employer-published annual base salary, USD. Advertised base range in Lone Tree, CO

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  • LocationLone Tree, CO
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (1 h ago) · observed since

About this job

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 (C4ISR) 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.

Join a team where cybersecurity is a critical part of delivering secure, reliable solutions. We're looking for a Systems Security Engineer III to help drive security across our development and operational environments.

In this role, you'll work closely with engineering, operations, and security teams to build security into every stage of the software lifecycle. You'll help advance DevSecOps practices by identifying vulnerabilities through static code analysis and fuzzing, improving secure software delivery through CI/CD automation, and solving complex technical challenges while leading initiatives that strengthen the security and resilience of our systems.

This is an opportunity to work with modern cloud and automation technologies, influence security strategy, and make a meaningful impact while helping shape the future of our cybersecurity capabilities.

Responsibilities 

  • Design and implement secure automation solutions across development, test, and production environments. 
  • Lead the development and enhancement of secure CI/CD pipelines that enable reliable software delivery. 
  • Drive improvements in infrastructure security, monitoring, and vulnerability management capabilities. 
  • Identify, assess, and remediate security risks across systems, applications, and cloud environments. 
  • Partner with engineering, operations, and security teams to embed security throughout the development lifecycle. 
  • Support incident response activities through investigation, analysis, and containment efforts. 
  • Research emerging threats and technologies to continuously strengthen security capabilities and practices. 
  • Provide technical leadership, mentorship, and strategic guidance on security and scalability initiatives. 

Qualifications You Must Have 


Education & Experience 

  • 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. 

Technical Expertise 

  • Advanced understanding of cybersecurity principles and practices. 
  • Experience with security frameworks and standards such as National Institute of Standards and Technology (NIST), ISO 27001. 
  • Proven work experience as a DevSecOps Engineer or similar role in development, operations, and security. 
  • Knowledge of cloud technologies and architectures (Azure / AWS). 
  • Experience in secure coding practices and automating security testing tools. 
  • Proficient with containerization technologies like Docker and orchestration tools like Kubernetes. 
  • Experience with automation scripts and configuration management tools. 

Additional Requirements 

  • Excellent communication skills with the ability to explain complex security topics in an understandable manner. 
  • Must have current Secret U.S. Security Clearance. 
  • Ability to obtain/maintain a Top Secret U.S. Security Clearance is required. 

Qualifications We Prefer 

  • Information Systems Security Engineer Professional (ISSEP), Certified Authorization Professional (CAP), or Certified Information Security Manager (CISM) Certification. 
  • Security+, Certified Information Systems Auditor (CISA), or CompTIA Advanced Security Practitioner (CASP+) Certification. 
  • Certified Information Systems Security Professional (CISSP) 
  • Microsoft Certified Solutions Expert (MCSE) or Linux. 
  • Experience in the aerospace or defense industry. 

This posting will be open for application for a minimum of 5 days and may be extended based on business needs.

Estimated Starting Salary Range: $113,921.74 - $156,642.39. Compensation varies depending on a wide array of factors, such as candidates' key skills, relevant work experience, and education/training/certifications. The disclosed range estimate may be adjusted for any applicable geographic differential associated with the location at which the position may be filled.

SNC offers a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, tuition reimbursement, and more.

IMPORTANT NOTICE:

This position requires current/active Secret U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Learn more about the background check process for Security Clearances.

SNC is a global leader in aerospace and national security committed to moving the American Dream forward. We’re known and respected for our mission and execution focus, agility, and disruptive and rapid innovation. We provide leading edge technologies and transformative solutions that support our nation’s most critical security needs. If you are mission-focused, thrive in collaborative environments, and want to make our country stronger with state-of-the-art technologies that safeguard freedom, join our team!

SNC is an Equal Opportunity Employer committed to an environment free of discrimination. Employment decisions are made based on merit without regard to race, color, age, religion, sex, national origin, disability, status as a protected veteran or other characteristics protected by law.

Source: Sierra Nevada Corporation (SNC) on Workday · View original posting (opens in new tab)

Pay in context

This role's base floor ($113,922) is above 40% of the 50 IT & Security roles in Colorado listed on this site; 1 other lists the same floor. Their median floor is $128,080; the middle half runs from $106,437 to $144,675.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.

This range next to 6 other live Sierra Nevada Corporation (SNC) roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Sierra Nevada Corporation (SNC) roles with the nearest advertised base floor
RolePublished base
Systems Security Engineer III (this listing)$113,922 - $156,642
RF Engineer II$113,922 - $156,642
Contracts Manager I$113,922 - $156,642
Systems Engineer III$113,922 - $156,642
Structural Engineer III$113,922 - $156,642
Supply Chain Program Manager I$113,922 - $156,642
Systems Engineer III$113,922 - $156,642

Same $100K to $400K scale as every card. All Sierra Nevada Corporation (SNC) roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-11-05
Where this pay comes from

Location as the employer wrote it: Lone Tree, CO

Estimated Starting Salary Range: $113,921.74 - $156,642.39. Compensation varies depending on a wide array of factors,

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.