Date Posted: 2025 11 11 Country: United States of America Location: HFL04: ASG Jacksonville Blount Island 6061 BF Goodrich Blvd , Jacksonville, FL, 32226 USA 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: DoD Clearance: Secret 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. Collins Aerospace is seeking a Systems Administrator for a position in Jacksonville, Florida. Due to the applicable duties, this position requires 100% onsite employee status. The Systems Administrator will support and maintain enterprise Microsoft infrastructure, including Windows Server, Active Directory, and Hyper V environments, within a secure classified network. This position involves system installation, configuration, patching, and performance tuning, as well as troubleshooting complex issues across virtual and physical platforms. A strong understanding of Microsoft enterprise technologies, security compliance, and network fundamentals is required to ensure reliability, availability, and compliance with Department of Defense (DoD) standards. **This is a onsite position in Jacksonville, FL** What YOU will do: Provide Windows Server systems administration in a secure, multi domain enterprise environment. Administer and maintain Active Directory, DNS, DHCP, Group Policy, and WSUS. Manage and support Hyper V virtual infrastructure, including provisioning, snapshots, templates, and performance optimization. Troubleshoot hardware, operating system, and application issues of moderate to high complexity across physical and virtual servers. Perform system patching, imaging, backup, and restoration using enterprise management tools and industry best practices. Implement and maintain server security hardening and compliance with DoD and corporate cybersecurity standards. Collaborate with Cybersecurity, Networking, and Engineering teams to sustain secure, mission critical environments. Document configurations, standard operating procedures, and baselines to support audits and continuity. Provide mentorship to junior administrators and contribute to process improvement efforts. Support systems operating 24x7, occasionally requiring after hours or weekend work to ensure availability. Travel occasionally (up to 10%) to other U.S. locations for project or system support. Qualifications YOU Must Have: 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 transferable DoD Secret clearance. Hands on experience administering Windows Server environments including Active Directory, DNS, DHCP, and Group Policy. Proven experience managing virtualized infrastructures in production environments. Experience with enterprise backup and recovery solutions and patch management (e.g., WSUS, BackupExec, VEEAM). Understanding of network fundamentals, user access controls, and security hardening. Ability to obtain and maintain DoDD 8140 / 8570 baseline certification (such as CompTIA Security CE) within 6 months of start. Qualifications We Prefer: Current DoDD 8140 / 8570 certification (Security CE, Microsoft, or equivalent). Strong knowledge of Windows Server 2019/2022, Active Directory replication, and Group Policy troubleshooting. Experience with PowerShell scripting or other automation for patching and configuration. Familiarity with DFARS, RMF, JSIG, or NISPOM compliance requirements. Experience managing file services, DFS, BitLocker, and data encryption solutions. Exposure to SCCM / MECM for patch and asset management. Experience supporting secure or classified network environments. What We Offer: Some of our competitive benefits packages include: 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,â¯critical illnessâ¯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. â¯And more!⯠Learn More & Apply Now! Do you want to be part of a new, exciting initiative to combine foundational IT with new digital technologies?⯠Our Digital Technology team is driving business efficiencies and a better customer experience by connecting technologies, people, information and processes. From making aircraft more electric, intelligent and integrated to building new software platforms such as Internet of Things, big data, artificial intelligence, and blockchain, there's no better place to be right now than in digital. If you're an agile thinker who enjoys utilizing modern technology to make big improvements, then you're a perfect fit for this team. Join Collins Aerospace to help us revolutionize the aerospace industry today! WE ARE REDEFINING AEROSPACE. * Please consider the following role type definitions as you apply for 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. 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 â and access to Collins sites when their work requires in person meetings. At Collins, the paths we pave together lead to limitless possibility. And the bonds we form â 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 82,000 USD 164,000 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 RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry leading businesses â Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.