Technical Systems Administrator III - Applications Support
Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Aug 13, 2026. Sierra Space scores B on the Alion truth index.
Sierra Space Careers:
At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.
Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.
Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.
We are mission-driven, and together, we are an extraordinary team.
About the Role
The Technical Systems Administrator III is responsible for the administration, configuration, maintenance, and support of Model-Based Systems Engineering (MBSE) and Requirements Management platforms, including Cameo and IBM DOORS. This role serves as the technical owner for application health, security, performance, upgrades, user support, and future integration with adjacent engineering and enterprise systems.In this role, you will oversee and contribute to the configuration, upgrade, and long-term operation of software while directing the operation and maintenance of software architecture and environments to support the IT needs of the business. The Technical Systems Administrator III works closely with Systems Engineering, Digital Engineering, IT Infrastructure, Cybersecurity, PLM, and Software Development teams to ensure reliable operation of mission-critical engineering applications supporting product development programs. A key responsibility will be to continuously assess and improve processes to enhance service quality, efficiency, and customer satisfaction. You will identify areas for improvement, develop improvement plans, and lead their implementation. Additionally, you will support collaboration with external vendors and service providers to define contracted services and ensure they meet the agreed-upon requirements of the business.
A key responsibility will be to continuously assess and improve processes to enhance service quality, efficiency, and customer satisfaction. You will identify areas for improvement, develop improvement plans, and lead their implementation. Additionally, you will support collaboration with external vendors and service providers to define contracted services and ensure they meet the agreed-upon requirements of the business. Maintaining documentation of system configurations, procedures, and troubleshooting steps will also be essential. You will provide technical support and training to end-users as needed and stay updated with the latest industry trends and technologies to ensure the company’s IT infrastructure remains current and effective.
About You
Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.
We’re looking for team members who align with our values, mission and 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.
Experience as a technical administrator for Cameo, and IBM DOORs Applications
Deep understanding of IT systems, software configuration, CI/CD, engineering, and/or business processes.
Proficiency in software environments and upgrades.
Preferred Qualifications:
Preferred Certifications: IBM Certified Specialist - Rational DOORS, IBM engineering requirements management DOORs Practitioner/ Foundation, Cameo OMG-Certified Systems Modeling Professional
Experience with cloud computing platforms and services (e.g., AWS, Azure, Google Cloud Platform).
Proficiency in automation tools and scripting languages (e.g., Ansible, Python, PowerShell).
Understanding of containerization and orchestration technologies (e.g., Docker, Kubernetes).
Experience with continuous integration and continuous deployment (CI/CD) pipelines and tools (e.g., Jenkins, GitLab CI).
Knowledge of network architecture and protocols.
Experience with database management systems (e.g., MySQL, PostgreSQL).
Familiarity with monitoring and logging tools (e.g., Prometheus, Grafana).
Understanding of cybersecurity best practices and protocols.
Experience with version control systems (e.g., Git).
Proficiency in virtualization technologies (e.g., VMware).
Compensation:
Pay Range:
$105,929.00 - $145,673.00Your 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.
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.
We also offer 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, and more.
Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.
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 Corporation is 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 with Sierra Space or at any stage of the recruitment process, please contact us.