Senior Infrastructure Administrator (ONSITE)

Date Posted: 2026-09-17 Country: United States of America Location: US-MD-FULTON-8170 ~ 8170 Maple Lawn Blvd ~ MAPLE LAWN, Ste 190, 200 & 300 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Solipsys, managed by Collins Aerospace RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.   Solipsys Corporation, located in Fulton, MD, is a wholly-owned subsidiary of Raytheon Technologies (RTX).   Our Software Engineering Team is growing and searching for an enthusiastic, collaborative, and dedicated team member to be part of the Solipsys System and Network Administration Team under the Software Engineering department. We are seeking an Infrastructure Administrator – On-Prem & Cloud to work onsite in Fulton, MD. As a member of the Software Engineering team, you will assist in implementation and integration of IT solutions and infrastructure deployments that enhance resiliency and availability of critical services and maintenance of existing technologies deployed throughout the enterprise, including cloud environments; building, maintaining, hardening, and troubleshooting operational environments. Strong communication and interpersonal skills are critical to convey information in a tactful manner and at the technical proficiency of the audience and keeping up to date with current technology trends and future innovations. What You Will Do: Developing and support Continuous Integration/Continuous Delivery (CI/CD) Pipelines for Agile implementations of enterprise services across multiple environments for consistent configurations. Windows and Linux system administration of enterprise wide or program/lab related systems, including setting up new and/or maintaining existing environments, either bare-metal, virtual, or cloud based. Administration or support of virtualized environments leveraging a range of technologies including VMWare, Hyper-V, Citrix, and Proxmox. Documenting and reporting of overall system configuration and adherence to any hardening requirements (such as CIS, DISA STIG, NIST, etc) for a given environment and working with Solipsys Cyber Operations group as required for vulnerability mitigations, incident response, and/or compliance efforts. Assisting in implementation and integration of COTS solutions and infrastructure deployments that enhance and address related projects to provide new capabilities or services, in addition to management and compliance of existing security technologies deployed throughout the enterprise. Collaborating with team members to leverage skills and knowledge of enterprise IT solutions to develop, and design future technology solutions to ensure they are consistent with enterprise architecture security policies. Staying up to date with current technology innovations Qualifications You Must Have: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) unless prohibited by local laws/regulations and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience. Hands-on experience with GitLab administration and integration into existing infrastructure, Kubernetes administration, Docker administration ​CompTIA Security+ Certification or eligible to achieve certification. AWS Professional level Cloud Certifications such as Solution Architect Professional or DevOps Engineer Professional. Proficiency in IaC such as Terraform, Ansible, and Python for infrastructure automation. Understanding of system hardening and security compliance through NISPOM, DISA STIGs, NIST 800-171, including implementation, adherence, and auditing/assessment against control families. The ability to obtain and maintain a U.S. government issued secret clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer: Highly motivated with the ability to provide creative solutions to complex problems. Ability to communicate well in oral and written form. Self-driven and highly motivated with strong problem-solving skills. Familiarity with Container technologies, Cloud technologies, DevOps concepts, and/or software development experience. Proficiency with scheduling and prioritization of workloads based on numerous factors such as schedule, resource availability, and on-demand requests from escalated tickets or emergent requests. Proficiency in scripting via bash and/or Powershell. A Microsoft Certified Systems Administrator (MCSA), RedHat Certified Systems Administrator (RHCSA), VMWare VCP, or other industry relev