2 months ago
Lone Tree, CO, USASenior
Base Salary
$143k - $197k/yr
Responsibilities
- Lead the design and implementation of security infrastructure and provide strategic direction for security practices.
- Administer GitHub/GitLab instances, CI/CD runners, JFrog Artifactory repositories, vulnerability scanning, secret detection, and compliance integrations.
- Maintain PostgreSQL backends, backup and restoration workflows, and data replication across connected and air-gapped networks.
- Administer Dassault 3DEXPERIENCE, Cameo Teamwork Cloud, Jama Connect, and related engineering toolsets, including license servers and API integrations.
- Install, configure, upgrade, monitor, troubleshoot, and retire DevOps and engineering application platforms.
- Tune Java EE application servers, configure Nginx and Apache HTTPD web services, and manage reverse proxies, load balancers, and SSL/TLS certificates.
- Provision, patch, harden, and optimize Red Hat Enterprise Linux systems, including firewalls, SELinux, kernel parameters, network stacks, storage, and centralized identity management.
- Implement DISA STIG controls and provide artifacts for RMF/ATO packages.
- Troubleshoot multi-application integration failures involving APIs, authentication, data synchronization, and middleware.
- Mentor junior engineers and participate in an on-call rotation for incident response.
Requirements
- Bachelor’s degree in Systems Security, Network Engineering, Information Technology, or a related engineering discipline, or qualifying equivalent experience; without a degree, at least 12 years of related experience is required.
- At least 8 years of experience in IT security or a related field, including 5 years of hands-on application administration in Linux/RHEL production or program-of-record environments.
- Expert understanding of cybersecurity principles and experience with NIST, ISO 27001, and related security frameworks.
- Production-scale experience administering GitLab and/or GitHub, including user and group management, CI/CD runners, access governance, and upgrades.
- Production experience administering JFrog Artifactory, including repositories, permissions, artifact lifecycle policies, and CI/CD integration.
- Hands-on experience administering at least two listed engineering applications, including 3DEXPERIENCE, Cameo Systems Modeler/Teamwork Cloud, Jama Connect, or Siemens Teamcenter.
- Proficient Linux/RHEL administration skills covering RPM/YUM/DNF, system services, users and groups, Bash scripting, and file systems.
- Experience troubleshooting complex application integrations and working with SSL/TLS certificates, firewall rules, and application-layer security.
- Current active Top Secret U.S. security clearance with SCI eligibility and U.S. citizenship is required.
- Preferred qualifications include RHCSA, RHCE, GitLab, or JFrog certifications; administration of all four engineering applications; classified or air-gapped environment experience; DISA STIG application experience; Docker, Kubernetes, or OpenShift; JFrog Xray; Dassault 3DX architecture; Cameo Teamwork Cloud at scale; IAM integrations; and Python or Ansible scripting.
Benefits
- Estimated starting salary range is $143,487.14-$197,294.82.
- Medical, dental, and vision plans are offered.
- 401(k) plan includes a 150% match up to 6%.
- Life insurance, three weeks of paid time off, tuition reimbursement, and additional benefits are offered.
- The role is primarily office-based, requires extended computer work, includes an on-call rotation, may require occasional travel, and requires occasional lifting of up to 25 pounds.
Tech Stack
About SNC
Sierra Nevada Corporation (SNC) is a privately held aerospace and defense contractor that designs and integrates space systems, ISR/aviation platforms, and C4ISR mission solutions for U.S. and allied government customers. Founded in 1963 and headquartered in Sparks, Nevada, it is owned by Eren and Fatih Ozmen and has delivered systems for NASA (including the Dream Chaser spaceplane via Sierra Space) and the U.S. Department of Defense across aircraft modifications, electronic warfare, and communications.