Senior System/Network Administrator (Onsite)

Date Posted:

2026-03-03

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:

Active and transferable U.S. government issued security clearance is required prior to start date.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance​

Security Clearance Type:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

Raytheon Company Managed by Collins Aerospace

Solipsys is a wholly-owned subsidiary of Raytheon Missile and Defense (RMD) and Raytheon Technologies (RTX) and an industry leader in the development of integrated C4I Network Centric Defense System solutions for both the Domestic and International DoD. Our Digital Technology (DT) Team is growing and searching for an enthusiastic, collaborative, and dedicated team member to be part of the Raytheon Solipsys System and Network Administration Team under Information Technology.

We are seeking a Senior Systems/Network Administrator with a current/active US Secret security clearance to work onsite in Fulton, MD. As a member of the 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; building and patching systems; troubleshooting program lab environments; hardening systems per cyber compliance requirements. Additionally, performing network administration by building and deploying new networks, and refining and/or providing troubleshooting expertise to diagnose issues that may present itself within lab 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:

• Windows and Linux system administration of enterprise wide or program/lab related systems, including setting up new and/or maintaining existing environments.

• Administration or support of virtualized environments leveraging a range of technologies including VMWare, Hyper-V, Citrix, and Proxmox.

• Administration or support of enterprise domain environments, including Group Policy, SCCM, PKI, DHCP, and DNS.

• Basic network administration of network appliances, implementation of new ACLs of VLANs for a given environment.

• 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 Information Technology 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) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.

• CompTIA Security+ Certification or eligible to achieve certification.

• Understanding of system hardening and security compliance through NISPOM, DISA STIGs, NIST 800-171, including implementation, adherence, and auditing/assessment against control families

• Active and transferable U.S. government issued Secret security clearance is required prior to start date.

• 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 lift up to 25 lbs. for racking equipment.

• 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.

What We Offer​:

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 illness insurance, 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!  

​

Learn More & Apply Now!​

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. ​

​*Please ensure the role type (defined below) is appropriate for your needs before applying to this role.

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. 

 ​

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.  ​

 ​

Apply now and be part of the team that’s redefining aerospace, every day

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select 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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms