Senior Windows Systems Administrator - DoD Secret (Onsite)

RTX; El Segundo (CA); On-site; USD 96,000 - 182,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) match

Paid time off

Flexible spending accounts

Job summary

RTX in El Segundo, CA seeks an experienced IT Infrastructure professional to manage Windows Enterprise environments, security hardening, and capacity planning. The role collaborates with program management, security, and vendors to design and implement new IT infrastructure solutions, with a focus on compliance and threat response.

Candidates must hold a DoD Secret clearance and be eligible for U.S. citizenship.

Qualifications

• Typically requires a University degree or equivalent experience plus 5 years of relevant IT security or infrastructure work.
• Active and transferable U.S. government Secret clearance is required prior to start date.
• Experience administering AD, Exchange, WSUS, and server virtualization (Hyper-V/VMware).
• Must obtain DoD 8140/8570 certification (Security+ CE or equivalent) within 6 months.

Responsibilities

• Manage Windows Enterprise environments including system management, performance monitoring, process automation, security hardening, and technical troubleshooting.
• Maintain compliance standards, monitor security systems, and proactively respond to threats using Ivanti, Splunk, Tenable, and SEP.
• Apply Business Continuity principles, including working knowledge of enterprise backup hardware and software platforms, data backups and system recovery.
• Collaborate with program management, application, security, vendor, and executive stakeholders to plan, design, and implement new IT infrastructure solutions.
• Conduct short-term and long-term capacity planning for technology modernization.
• Plan and execute small to medium sized projects.
• Create, update, and maintain IT documents and technical artifacts.

Skills

Active Directory

Exchange

WSUS

Hyper-V

VMware

Security+ CE

DoD 8140/8570

Education

University degree or equivalent

Tools

Ivanti

Splunk

Tenable

SEP

HPE MSA

NetApp

VMware vCenter

Job description

RTX in El Segundo, CA seeks an experienced IT Infrastructure professional to manage Windows Enterprise environments, security hardening, and capacity planning. The role collaborates with program management, security, and vendors to design and implement new IT infrastructure solutions, with a focus on compliance and threat response.

Candidates must hold a DoD Secret clearance and be eligible for U.S. citizenship.