Windows System Administrator (Onsite) (DoD Secret Clearance)

Date Posted: 2026-08-03 | Location: Morrisville, NC | Onsite role

Active and transferable U.S. government issued DoD 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.

About the role

Join the Information Workplace Services team in a highly collaborative, multi-platform, multi-disciplined, classified systems environment. You will resolve support issues for the engineering community using helpdesk and task assignment methods.

Responsibilities

• Install, configure, and maintain Windows and RHEL servers.
• Perform regular system updates, patches, and security configurations.
• Monitor system performance and ensure high availability and reliability.
• Manage user accounts, permissions, and access controls.
• Provide technical support and troubleshooting for end-users and internal teams.
• Respond to and resolve system-related incidents and service requests.
• Collaborate with other IT teams to resolve complex issues.
• Implement and maintain security best practices for system administration.
• Conduct regular security audits and vulnerability assessments IAW NIST 800-53.
• Ensure compliance with IT policies and regulatory requirements.
• Develop and implement backup and recovery strategies.
• Perform regular data backups and ensure data integrity.
• Test and validate disaster recovery procedures.
• Maintain accurate documentation of system configurations and procedures.
• Generate regular reports on system performance, security, and compliance.
• Apply DoD STIGs to Windows and RHEL servers and workstations.

Requirements

• Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Active and existing DoD Secret security clearance required on day 1.
• CompTIA Security+ certification.
• Extensive experience with Windows and RHEL servers.
• Proven experience using ESXi machines.
• Excellent problem-solving and communication skills.
• Ability to work independently and as part of a team.

Preferred Qualifications

• Experience with virtualization technologies (VMware, KVM).

Benefits

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with 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: pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection.
• Birth, adoption, and 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.

Pay

The salary range for this role is $86,800 – $165,200 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.