Senior Infrastructure Administrator (ONSITE)

RTX; Georgia; On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Health insurance

Paid vacation

401(k) matching

Tuition reimbursement

Employee assistance

Job summary

Solipsys, Fulton, MD, seeks an Infrastructure Administrator – On-Prem & Cloud to join our Software Engineering team onsite. You will build and support CI/CD pipelines, administer Windows and Linux systems, and manage virtualized environments across on‑prem, cloud, and hybrid deployments.

The role requires a STEM degree (or equivalent) with 5+ years of experience, proficiency with GitLab, Kubernetes, Docker, and cloud platforms, and the ability to obtain a U.S. secret clearance.

Qualifications

• Degree in STEM with 5+ years of relevant experience, or an advanced degree with 3+ years.
• Hands-on GitLab admin and CI/CD integration.
• Kubernetes and Docker administration experience.
• CompTIA Security+ Certification or eligible.
• AWS Professional cloud certifications.
• Terraform, Ansible, Python for IaC.
• Understanding of NIST/CIS/STIG security controls.
• US citizenship and ability to obtain secret clearance.

Responsibilities

• Develop and support CI/CD pipelines for enterprise services.
• Administer Windows and Linux servers across bare‑metal, virtual, or cloud environments.
• Manage virtualized environments: VMware, Hyper-V, Citrix, Proxmox.
• Document configurations and hardening per CIS/NIST.
• Assist in deploying and maintaining security technologies across the enterprise.
• Collaborate to design IT solutions within enterprise security policies.
• Stay current with technology trends.

Skills

GitLab administration

Kubernetes administration

Docker administration

AWS Certification

Terraform

Ansible

Python

Security clearance

Education

STEM degree

Advanced degree

Tools

VMware

Hyper-V

Citrix

Proxmox

Job description

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 andintelligent solutions for the global aerospace and defense industry. Collins Aerospacehas 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 relevant certifications.
• Active Secret Security Clearance.

What We Offer :

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.

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

WE ARE REDEFINING AEROSPACE.

Onsite : Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

Some of our competitive benefits package includes:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy: pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• And more!

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other – propel us all higher, again and again.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect steps of the interview process in‑person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.

Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.

Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective‑bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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