Sr Cybersecurity Engineer

Sierra Nevada Company, LLC; Lone Tree (CO); Hybrid; USD 151,000 - 207,000; Full time

Job summary

Sierra Nevada Company, LLC is seeking a Senior Cybersecurity Engineer to lead design, testing, and deployment of secure OS, networks and monitoring tools. The role emphasizes risk assessment, incident response, and security control development across enterprise platforms.

The engineer will mentor junior staff, collaborate with security architects, and drive Zero Trust initiatives to strengthen enterprise security posture and compliance with NIST/CMMC requirements.

Qualifications

• Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study.
• 8+ years of experience in a related role.
• In the absence of a degree, a minimum of 12 years of related experience is required.
• Deep understanding of cybersecurity principles and network architectures.
• Proven leadership with security monitoring and assessment tools.
• Expert knowledge of data security administration principles and PKI.
• Hands-on Zero Trust architecture experience in security operations platforms.

Responsibilities

• Platform Ownership: manage and improve security operations platforms and logging/detection.
• Architectural Alignment: ensure portfolio meets architectural requirements and mitigates risks.
• Zero Trust Alignment: advance device, network, workload, and data security controls.
• Standardization: develop security control standards and roadmaps with junior engineers.
• Risk Management: analyze and advise on risk and design technical controls.
• Evidence & Compliance: map controls to NIST SP 800-171, CMMC and policy needs.
• Mentoring: coach junior engineers on advanced security practices.
• Collaboration: work with cross-functional teams and senior leadership.

Education

Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study

12+ years of related experience in absence of a degree

Tools

Microsoft platforms

Job description

Hybrid or in office

Lone Tree, CO

Arlington, TX

Hagerstown, MD

Herndon, VA

Full time

R0031394

If you like solving complex IT problems using your deep analytical skills, this is the opportunity for you! The Senior Cybersecurity Engineer will spearhead the design, testing, and implementation of secure operating systems, networks, and security monitoring tools. This expert-level role entails managing IT security systems, leading incident responses, conducting thorough risk assessments, and developing comprehensive security controls. The Senior Engineer will also drive the research and integration of cutting‑edge security tools and technologies to enhance the company's security infrastructure.

As SNC's corporate team, we provide the company and its business areas with strategic direction and business support spanning executive management, finance and accounting, operations, human resources, legal, IT, information security, facilities, marketing, and communications.

Responsibilities:

• Platform Ownership. Manage and own continuous improvement of a portfolio of security operations platforms, including enterprise logging and detection platforms consumed by security operations analysts. Partner with security operations analysts to optimize platform performance and effectiveness.

• Architectural Alignment. Partner with the Principal Architect to ensure the enterprise security platforms/tools portfolio meets architectural requirements and effectively mitigates enterprise security risks, including coverage and gap analysis, dependency management, and capability planning.

• Zero Trust Alignment. Support enterprise security engineering alignment with Zero Trust principals and continuous maturity of Zero Trust posture through delivery of device, network, workload, and data security controls.

• Standardization and Continuous Improvement. Work with junior engineers to develop and document security control standards, tool management standards, and continuous improvement roadmaps to ensure effective platform management and ongoing optimization of enterprise security controls.

• Risk Management. Analyze, assess, and advise on risk treatment for identified enterprise security risks including design and implementation of technical controls, compensating control identification, and documentation.

• Controls and compliance evidence. Develop and implement security controls mapped to NIST SP 800-171, CMMC, and local security policy requirements. Provide technical evidence and design documentation to support audits and assessments.

• Mentoring. Mentor and coach junior engineers on advanced security practices, platform maturity, and strategic thinking.

• Collaboration. Collaborate with cross-functional teams and senior leadership to ensure robust security integration across all IT projects.

Qualifications You Must Have:

• Bachelor's degree in Cybersecurity, Network Engineering, Information Technology or related Engineering field of study

• 8+ years of experience in a related role.

• Relevant experience can be considered as a substitute for the required educational qualifications. In the absence of a degree, a minimum of 12 years of related experience is required.

• Higher level relevant degree may substitute for experience.

• Deep and extensive understanding of cybersecurity principles and network architectures.

• Proven leadership experience with security monitoring and assessment tools.

• Demonstrated experience supporting, troubleshooting, and administering a variety of networks, Operating Systems (OSs), and applications.

• Expert knowledge of data security administration principles, methods, and techniques.

• Strong knowledge and experience administering a variety of current Microsoft platforms.

• Advanced understanding of domain structures, user authentication, and digital signatures.Hands‑on engineering experience in a zero trust architecture environment, focused on security operations platforms including network detection and response, endpoint protection, and data security.

• Demonstrated ability to work with a security architect or senior technical leader and engineer the solutions they present, taking architecture direction through design, implementation, and documentation.

Qualifications We Prefer:

• Advanced technical security certifications such as ISC2 Certified Information Systems Security Professional (CISSP), CompTIA Certified Advanced Security Practitioner (CASP+)/SecurityX, or GIAC certifications

• Expert knowledge of how enterprise security platforms orchestrate to support security operations requirements, including demonstrated experience maturing and optimizing enterprise security platforms

• Demonstrated success in defining and leading implementation of platform management standards and requirements

• Demonstrated experience implementing infrastructure-as-code or other automated security platform management methodologies

• Demonstrated experience working in regulated or high‑sensitivity enterprise environments such as aerospace and defense, healthcare, or finance

• Advanced understanding of domain structures, user authentication, and digital signatures, including PKI and certificate services.

• Exceptional leadership, analytical, problem‑solving, and communication skills

• Ability to read and interpret security and technical documentation.

Essential Functions:

• Ability to work in an office or hybrid environment.

• Prolonged periods sitting at a desk and working on a computer.

• Ability to lift up to 20 pounds occasionally.

• Ability to travel as needed.

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: $150,661.49 - $207,159.55. 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 annual incentive pay based upon performance that is commensurate with the level of the position.

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 the ability to obtain and maintain a 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.