System Administrator

Senior Systems Administrator / DT Site LeadThe Senior Systems Administrator / DT Site Lead is responsible for the administration, operation, and lifecycle management of Digital Technology infrastructure while serving as the primary DT point of contact for the site. This position combines hands-on technical responsibilities with site-level operational leadership, project execution, stakeholder engagement, and coordination across enterprise DT service organizations.The successful candidate will have a strong infrastructure and systems administration background with the ability to operate independently, troubleshoot complex technical issues, coordinate cross-functional teams, and translate business and site requirements into executable DT solutions.As the DT Site Lead, this position will maintain relationships with site leadership, Engineering, Operations, Facilities, Security, Cybersecurity, and other key stakeholders while coordinating with RTX and Collins Aerospace DT service owners to ensure reliable, secure, and effective delivery of technology services.*The candidate is required to be 100% onsite in Jacksonville, FL.What You Will Do:Administer, maintain, monitor, and support Windows-based server and workstation environments and associated infrastructure.Support Microsoft Windows Server, Windows client operating systems, Active Directory, Group Policy, DNS, DHCP, file services, network printing, and other enterprise infrastructure technologies.Perform system installation, configuration, maintenance, upgrades, patching, troubleshooting, and lifecycle management.Monitor system availability, performance, capacity, and overall health and take appropriate action to maintain reliable operations.Troubleshoot complex hardware, software, operating system, authentication, connectivity, and application issues and perform root cause analysis as required.Support vulnerability remediation, security configuration, patch management, and technology currency requirements in coordination with Cybersecurity and enterprise service owners.Maintain accurate system documentation, configurations, inventories, procedures, and technical records.Support backup, recovery, business continuity, and disaster recovery requirements for supported environments.DT Site Leadership:Serve as the primary DT Site Lead and local point of contact for site leadership and key business stakeholders.Maintain strong working relationships with Engineering, Operations, Facilities, Security, Cybersecurity, Program teams, and other site organizations.Maintain awareness of the DT services, infrastructure, capabilities, risks, and dependencies supporting the site.Identify site-level technology issues, risks, capacity constraints, lifecycle concerns, and service gaps and coordinate with the appropriate DT service owners to drive resolution.Represent site requirements and priorities to enterprise DT organizations and ensure site stakeholders have visibility into significant DT activities, issues, and changes.Project and Service Delivery:Identify, plan, coordinate, and execute infrastructure projects supporting site, program, Engineering, and business requirements.Manage multiple concurrent DT initiatives involving infrastructure, end-user technologies, network services, compute, storage, cybersecurity, and enterprise services.Develop project scope, schedules, resource requirements, dependencies, risks, and implementation plans.Coordinate enterprise DT teams, contractors, vendors, and local stakeholders to successfully execute technology deployments and infrastructure changes.Coordinate planned outages, maintenance activities, and technology changes with impacted stakeholders.Operational Leadership:Act as a senior technical resource and escalation point for complex infrastructure and operational issues.Work independently to identify problems, develop courses of action, and drive issues through resolution.Lead cross-functional technical discussions involving multiple DT organizations and business stakeholders.Influence service owners and technical teams when resolution requires resources or action outside the local organization.Identify recurring operational problems and drive permanent corrective actions rather than relying on temporary workarounds.Develop and improve local processes, procedures, documentation, and operational standards.Qualifications You Must Have:Typically requires a University Degree and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.U.S. Citizen - 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 clearance5+ years of experience supporting enterprise IT infrastructure, systems administration, or related technology environments.Experience administering Microsoft Windows Server and Windows client operating systems.Experience supporting Active Directory, Group Policy, DNS, DHCP, file services, network printing, and enterprise authentication technologies.Experience troubleshooting complex infrastructure, operating system, hardware, software, and network-related issues.Experience executing infrastructure deployments, upgrades, migrations, or technology refresh projects.Experience working across multiple technical teams and coordinating resolution of complex operational issues.Demonstrated ability to independently prioritize and execute multiple technical and operational responsibilities.Strong written and verbal communication skills with the ability to communicate technical issues to both technical and non-technical stakeholders.Qualifications We Value:Experience serving as a technical lead, site lead, infrastructure lead, or senior escalation point within an enterprise IT environment.Experience supporting Engineering, manufacturing, laboratory, secure, or other business-critical technology environments.Experience with virtualization technologies such as VMware, Hyper-V.Experience with enterprise endpoint management, software distribution, patching, monitoring, or configuration management platforms.Working knowledge of networking concepts including TCP/IP, VLANs, routing, switching, firewalls, and network troubleshooting.What We Offer: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!