New

Network Engineer III (Clearance Required)

Sierra Space
life insurance, paid time off, 401(k)
United States, Colorado, Louisville
Sep 08, 2025
Sierra Space Careers: Dare to Dream We honor those that are not afraid to dream big dreams, those that tenaciously chase their dreams even when others say it cannot be done, those that achieve big dreams and change everything. Those are Dreams Worth Chasing. At Sierra Space we envision a future where humanity lives and works in space, on moons, and on distant planets. Our mission isn't restricted to the few, instead we see a future where all people can choose to live, work, discover and explore beyond our planet. Our company is building a platform in space to benefit life on Earth and together we will alter the course of humanity. We have a bold mission. We are a bold company. Together, we are an extraordinary team. About the RoleThe Network Engineer III is responsible for operating and maintaining the company's internal data communications systems, planning, designing, and implementing complex local and wide-area network solutions between multiple platforms and protocols (including IP and VOIP). This role involves advanced support and troubleshooting of network issues, performance optimization, and coordination with vendors for the installation and maintenance of network devices such as routers, switches, and firewalls. Additionally, the Network Engineer III will be involved in network automation, scripting, and the implementation of network virtualization technologies. Key Responsibilities: Operate and maintain the company's internal data communications systems. Plan, design, and implement complex local and wide-area network solutions between multiple platforms and protocols, including IP and VOIP. Provide advanced support and troubleshooting for network issues to ensure minimal downtime and optimal performance. Coordinate with vendors for the installation and maintenance of network devices such as routers, switches, and firewalls. Monitor network performance and security, utilizing network monitoring tools. Assist in the development and implementation of network policies and procedures. Maintain documentation of network configurations, processes, and service records. Stay updated with the latest networking technologies and industry trends. Optimize network performance and ensure network security through the use of technologies such as VPN, IDS/IPS. Design and implement network automation and scripting solutions (e.g., Python, Ansible). Implement and manage network virtualization technologies (e.g., SDN, VXLAN). About You Our mission is driven by the unwavering passion to push the boundaries of what is possible. We seek those who Dare to Dream - to envision the extraordinary and pursue it relentlessly - to join us on this transformational journey. We're looking for dreamers who align with our values, vision, and audacious goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement. Minimum Qualifications: Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree or Masters +3 yrs experience). Typically 5+ years of related experience. In-depth knowledge of advanced routing protocols (e.g., EIGRP, IS-IS). Proficiency in designing and implementing complex network architectures. Experience with network automation and scripting (e.g., Python, Ansible). Understanding of Quality of Service (QoS) principles. Knowledge of network virtualization technologies (e.g., SDN, VXLAN). Preferred Qualifications: Certifications: CCNP or higher (e.g., CCIE). Extensive experience with network design and implementation, including multi-vendor environments. Strong analytical and problem-solving skills with the ability to diagnose complex network issues. Excellent communication and teamwork abilities, with experience in leading technical projects. Proficiency in network security practices and tools, including firewalls, IDS/IPS, and VPNs. Advanced knowledge of VOIP systems and protocols, including SIP and RTP. Experience with network performance tuning and optimization techniques. Familiarity with cloud networking solutions and integration (e.g., AWS, Azure). Hands-on experience with network management and monitoring tools (e.g., SolarWinds, Nagios). Compensation: Pay Range: $108,405 - $149,077.50 Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education,experience, internal equity and market competitiveness. IMPORTANT NOTICE: This position requires current/active Top Secret with SCI eligibility 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. Elevate Your Career At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations. Sierra Space offers annual incentive pay based upon performance that is commensurate with the level of the position. We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 8%, life insurance, 3 weeks paid time off, and more. At Sierra Space we are at the very doorstep of unlocking the future and the work in front of us is hard, but it is truly important and meaningful. Achieving our mission requires dedication, relentless pursuit of a dream and an unwavering passion for pushing the boundaries to accomplish what others might believe to be impossible. We seek those who too, Dare to Dream and will join us in a pursuit to achieve the extraordinary. Application Deadline: This role will remain posted until a qualified pool of candidates is identified. Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees. Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.