Systems Administrator – (Onsite) (Secret)

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.

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, 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!

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!