Senior System Administrator

Rolls-Royce plc; Indianapolis (IN); On-site; USD 99,000 - 160,000; Full time

Benefits offered by this job

Health insurance

401(k) plan with company match

Paid Time Off

Job summary

Rolls-Royce plc in Indianapolis, IN is seeking a Senior System Administrator to support USG Defense programs. The role focuses on virtualization and Windows server environments, with responsibilities spanning AD, GPOs, SIEM, backups, and security controls.

On-site work pattern is required, with potential cross-functional collaborations. Candidate should have a cybersecurity-focused degree or equivalent experience, familiarity with RMF/JSIG frameworks, and relevant certifications (Security+ or

Qualifications

• Associate's or higher in Cybersecurity, IT or CS with several years of security experience.
• Security+ or IAT Level II equivalent certification per regulations.
• Experience with SIEMs, vulnerability scanners, and endpoint protection.

Responsibilities

• Lead virtualization and Windows endpoint administration tasks.
• Define Active Directory and Group Policies; implement security standards.
• Monitor system health, troubleshoot performance, and optimize resources.
• Manage backup strategies and disaster recovery planning.
• Collaborate with engineers on security controls and vulnerability remediation.

Skills

VMware vSphere / ESXi / vCenter

Windows Server administration

Active Directory / GPOs

Security monitoring / SIEM

Scripting / PowerShell

Networking basics

Education

Bachelor's degree in Cybersecurity / IT / CS

Associate's degree + 4+ years security exp

Tools

WSUS

STIGs / SCAP

Job description

Job Title: Senior System Administrator

Working Pattern: Fulltime - On-site daily (WFH every other Friday)

Working location: Indianapolis, IN

Relocation assistance is not available for this role

Why Rolls-Royce?

At Rolls-Royce we are proud to be a business that has truly helped to shape the modern world and are committed to always being a force for progress; powering, protecting and connecting people everywhere. By joining Rolls-Royce, you’ll have the opportunity to create world-class power and propulsion solutions, pushing your problem-solving and ingenuity, to deliver real impact that puts safety first. You’ll be given responsibility and the opportunity to grow in our high-performance culture. This is Infinite Potential. And it’s your chance to really shine and contribute to one of the world’s most recognised brands and a beacon for engineering excellence.

Position Summary

Rolls-Royce is in search of a multi-faceted security professional in support of multiple USG Defense programs. The ideal candidate will assist the Information System Security Managers (ISSMs) and ultimately, the Facility Security Officer (FSO).

What you will be doing

• Lead Virtualization Management: Administering VMware vSphere, ESXi, vCenter to manage virtual machine lifecycles, including virtual networks and storage.
• Lead Windows Endpoint Administration: Maintaining, patching, and updating Windows Server and virtual PC environments, in accordance with change control board documentation
• Assist with developing system architecture for new programs and lifecycle activities including hosts, workstations, network, and storage.
• Assist with managing and monitoring firewalls, SIEM, vulnerability scanner, and endpoint security devices and events.
• Define Active Directory & Support Security: Define Active Directory, Group Policies (GPOs), and work with the security engineer to implement security standards like STIGs.
• Lead and Define Performance & Monitoring: Monitoring system health, troubleshooting performance bottlenecks, and optimizing resource allocation (CPU, RAM, Network, and Storage).
• Lead Backup & Disaster Recovery Implementation: Managing backup solutions and performing disaster recovery operations.
• Manage Infrastructure Automation: Using PowerShell or CLI tools for scripting and automation of routine tasks to efficiently support reassessment and reauthorization efforts.
• Windows Engineering Software: Install and troubleshoot engineering software in the Windows environment to ensure ongoing usage by end users.
• Collaboration: Create documentation for tasks completed for ongoing workflows.
• Collaborate with engineers and program managers to implement security controls and address vulnerabilities.
• Flexibility: In the case of turnover, this role may be asked to perform basic Linux system administration or ISSO duties and support security-related projects, as needed.
• Collaboration: Create documentation for tasks completed for ongoing workflows. (duplicate?)
• Information Assurance activities: hardware and software changes, account management, media protection, user interface, and assured file transfers.
• Knowledge of and enforcing security policies and procedures in accordance with government regulations, NIST SP 800-53, NIST SP 800-171, DAAPM, JSIG and 32 CFR Part 117 (NISPOM) standards.

Basic Qualifications

• Associate's degree in Cybersecurity, Information Technology, Computer Science plus 4 year's experience in information system security OR;
• Bachelor's degree in Cybersecurity, Information Technology, Computer Science and 2+ years in information system security OR;
• Master's degree in Cybersecurity, Information Technology, Computer Science OR;
• PhD degree in Cybersecurity, Information Technology, Computer Science OR;
• In lieu of a degree, 6 + years of experience in information system security, with at least 3 years supporting classified systems under RMF, DAAPM, and/or JSIG frameworks.
• Professional certifications, such as Security+ or IAT Level II equivalent, in accordance with government regulation, 8140.
• Experience implementing and managing security tools, such as SIEMs, vulnerability scanners, and endpoint protection platforms.
• Must have or be able to obtain a US DoD Top Secret Security Clearance.

Preferred Qualifications

• Experience with WSUS for patch management.
• Experience with STIGs, SCAP, and other baseline configuration tools.
• Experience with incident response, investigation, and resolution.
• Familiarity with classified processing environments, including air-gapped and cross-domain solutions.
• Strong technical understanding of encryption, secure network architecture, and system hardening techniques.
• Ability to communicate technical concepts effectively to diverse audiences, including non-technical stakeholders.

Equal Opportunity Employer

Rolls-Royce is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any protected characteristics. We are committed to providing a respectful and non-discriminatory workplace where individuality is valued and everyone can thrive.

Closing Date: September 10, 2026

Job Category: Information Technology

Job Posting Date: 20 Aug 2026; 00:08

Pay Range

$98,566 - $160,169-Annually

Location

Indianapolis, IN

Benefits

Rolls-Royce provides a comprehensive and competitive Total Rewards package that includes base pay and a discretionary bonus plan. Eligible employees may have the opportunity to enroll in other benefits, including

• health, dental, vision, disability, life and accidental death & dismemberment insurance
• a flexible spending account
• a health savings account
• a 401(k) retirement savings plan with a company match
• Employee Assistance Program
• Paid Time Off
• certain paid holidays
• paid parental and family care leave
• tuition reimbursement
• and a long-term incentive plan

Rolls-Royce pioneers cutting-edge technologies that deliver the cleanest, safest and most competitive solutions to our planet’s vital power needs.