Systems Administrator (Onsite

Collins Aerospace, an RTX company, seeks a Windows Administrator for an onsite position in McKinney, TX. The role supports classified IT infrastructure within a collaborative, multi‑platform environment and requires an active U.S. Secret security clearance.

• Provide system administration in a heterogeneous Microsoft Windows (Primary OS) and Red Hat Enterprise Linux environment.
• Apply Windows Server internals knowledge including DNS, DHCP, AD, and Linux integration.
• Troubleshoot technical problems of moderate to high complexity, integrating hardware and operating systems.
• Understand and manage data RAID systems, backup methods, and technologies.
• Install and configure software applications requested by end users.

• Develop relationships with global peers in a collaborative environment.
• Work with cybersecurity professionals to maintain security requirements.

• University degree with at least 2 years of relevant experience, or an advanced degree, or 6 years of experience in lieu of a degree.

• U.S. citizenship required.
• Active DoD Secret clearance required.
• Obtain DoDD 8140 / 8570 certification within 6 months of start date.
• Experience with security infrastructure products and capabilities.
• Hands‑on experience with Windows and Linux/Unix servers and workstations.
• Experience with VMware vCenter, vSphere, VDI (Horizon), ESXi, or other virtual computing methods.
• Knowledge of Windows architecture, deployment, administration, performance monitoring/tuning, security hardening, and troubleshooting.
• Familiarity with infrastructure backup, restore, disaster recovery, and business continuity products.
• Experience with application installation and multi‑server environment deployment.

• Experience with Net App storage systems.
• Scripting skills in Power Shell, Ansible, and Python.
• Experience hardening systems using tools like SCAP and following STIGs.
• Support for engineers in software, simulations, and hardware development.

• Medical, dental, and vision insurance.
• Three weeks of vacation for newly hired employees.
• Generous 401(k) plan with employer matching and retirement contribution including Lifetime Income Strategy.
• Tuition reimbursement program.
• Student loan repayment program.
• Life insurance and disability coverage.
• Optional additional coverages: pet, home, auto, extra life and accident, critical illness, group legal,  protection.
• Birth, adoption, and parental leave benefits.
• Ovia health, fertility, and family planning support.
• Adoption assistance and Autism Benefit.
• Employee assistance program with up to 10 free counseling sessions.
• Healthy You incentives, wellness rewards program.
• Doctor on Demand and Teladoc medical experts.
• Bright Horizons child and elder care services.

Salary range: 64,000 USD – 128,000 USD. Salary determination is based on role, function, experience, education, and key skills.

Background check and drug screen required for all U.S. new hires; drug screen performed only on re‑hires who have been gone for more than one year.

Diversity drives innovation: inclusion drives success. We believe a multitude of approaches and ideas enable us to deliver the best results for our workforce, workplace, and customers. We are committed to fostering a culture where all employees can share their passions and ideas to tackle the toughest challenges in our industry.