Sierra Nevada Company, LLC logo

Systems Security Engineer III

Sierra Nevada Company, LLC

Plano, TXFull-timeSeen todaySeen in employer's feed today

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At a glance

Compensation
No compensation found
Location
Plano, TX
Schedule
Full-time
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Top Secret clearance

Job overview

The Systems Security Engineer III will advance cybersecurity across development and operational environments, working with engineering, operations, and security teams. The role focuses on secure automation, CI/CD pipelines, vulnerability identification and remediation, cloud security, and incident response. It also provides technical leadership and mentorship while supporting the SNC-led Survivable Airborne Operations Center mission.

Skills & qualifications

RequiredNice to have

Skills

CybersecurityNISTISO 27001DevSecOpsCloud TechnologiesAzureAWSSecure CodingSecurity Testing AutomationDockerKubernetesAutomation ScriptingConfiguration ManagementCommunicationAerospace or DefenseLinux

Qualifications

Bachelor's in Systems Security or Related5+ Years IT Security Experience9+ Years Related Experience Without DegreeSecret U.S. Security ClearanceTop Secret Clearance EligibilityISSEP or CAP or CISM CertificationSecurity+ or CISA or CASP+ CertificationCISSP CertificationMCSE Certification

Benefits

Medical Insurance
Dental Insurance
Vision Insurance
401(k) Match
Paid Time Off
Tuition Assistance

Full job description

In office

Plano, TX

Dayton, OH

Full time

R0031307

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 (https://www.sncorp.com/capabilities/nc3-systems/) .

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.

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 (https://www.sncorp.com/careers/total-rewards/) .

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. (https://www.dcsa.mil/Personnel-Vetting/Background-Investigations-for-Applicants/Investigations-Clearance-Process/)

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.

SNC is a trusted global leader in aerospace and national security. Our innovative solutions enable connected protection through command, control and communications systems, as well as ISR, cyber, electromagnetic spectrum management, and other high capabilities for systems across all domains – sea, land, air, space and cyber.

As a longstanding leader in defense technology, SNC is the optimum intersection of commercial, defense and non-traditional contractors. We are one of the only privately owned mid-tier A&D contractors and we pride ourselves on our ability to invest early and often to ensure mission success on or ahead of schedule. It’s part of our mission to always stay one step ahead; working on solutions today to solve the problems of tomorrow.

Founded in 1963, SNC is owned by Chairwoman Eren Ozmen and CEO Fatih Ozmen.

How this job compares

Set against the 573 open DevSecOps Engineer jobs on Olive Jobs, counted November 6, 2026.

Pay
  • This postingNot listed
  • US median$100–179K/yr444 salary ranges
  • US median$60–70/hr23 hourly ranges
Openings
Olive Jobs lists 29 open DevSecOps Engineer jobs in Texas and 573 across the US. 5% of them nationwide are listed as remote or flexible.
Hiring the most in Texas
Experience
This posting asks for at least 5 years of experience; DevSecOps Engineer postings that state a minimum ask for 5 years at the median (491 postings).
Education
211 of the 573 open DevSecOps Engineer jobs (37%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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