Senior Security Engineer - Top Secret/SCI Eligible, Hybrid

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

Job summary

Sierra Nevada Corporation is seeking a Senior Systems Security Engineer to lead the design and implementation of secure IT infrastructure and to manage complex security projects. The role demands deep expertise in cybersecurity, incident response, and risk management, with active Top Secret clearance and SCI eligibility.

You will mentor junior engineers, oversee security controls, and help guide our security-themes across C4ISR and SAOC programs.

Qualifications

• Bachelor's degree in Systems Security, Network Engineering, Information Technology, or related Engineering discipline.
• 8+ years of experience in IT security or a related field.
• Higher level degree may substitute for experience.
• Expert understanding of cybersecurity principles and practices.
• Experience with security frameworks and standards such as NIST, ISO 27001.
• Must have an IAT II certification.
• Current/Active Top Secret U.S. Security Clearance with SCI eligibility is required.

Responsibilities

• Lead the design and implementation of secure IT infrastructure.
• Perform advanced security monitoring and threat analysis.
• Direct and manage complex incident response and digital forensics.
• Conduct in-depth risk and vulnerability assessments.
• Develop and enforce comprehensive security controls and protocols.
• Research, evaluate, and recommend new security technologies.
• Oversee security breach documentation and impact analysis.

Skills

Cybersecurity principles

IAT II Certification

Security clearance

NIST ISO27001 familiarity

Education

Bachelor's degree in Systems Security / related Engineering

Tools

ISSE CAP

CISSP

CISM

ISSO Security+

CISA

CASP+

MCSE

Linux

CCNP Security

Firewalls

Intrusion Detection Systems

Antivirus software

Job description

Sierra Nevada Corporation is seeking a Senior Systems Security Engineer to lead the design and implementation of secure IT infrastructure and to manage complex security projects. The role demands deep expertise in cybersecurity, incident response, and risk management, with active Top Secret clearance and SCI eligibility.

You will mentor junior engineers, oversee security controls, and help guide our security-themes across C4ISR and SAOC programs.