Search jobs now Find the right job type for you Create a job alert Explore how we help job seekers Contract talent Permanent talent Learn how we work with you Executive search Finance and Accounting Technology Marketing and Creative Legal Administrative and Customer Support Technology Risk, Audit and Compliance Finance and Accounting Digital, Marketing and Customer Experience Legal Operations Human Resources 2026 Salary Guide Demand for Skilled Talent Report Job Market Outlook Press Room Tech insights Labor market overview AI in recruiting Navigating the AI era Staffing for small businesses Cost of a bad hire Browse jobs Find your next hire Our locations
Sr Systems Engineer
We are looking for an experienced Sr Systems Engineer to support and enhance enterprise infrastructure in Illinois. This Long-term Contract opportunity is ideal for a technical leader who can resolve complex systems challenges, strengthen security, and improve reliability across cloud and on-premises environments. The role will focus on modernizing core platforms, advancing automation, and partnering with cross-functional teams to deliver scalable, well-governed infrastructure solutions.<br><br>Responsibilities:<br>• Serve as the primary technical resource for diagnosing and resolving advanced infrastructure, platform, and systems-related issues.<br>• Lead the alignment and consolidation of acquired or distributed environments to promote consistency, security, and operational stability.<br>• Create and maintain automation tools and scripts using Python and/or Bash to streamline administration and reduce manual effort.<br>• Manage and improve Microsoft 365, Azure, and related identity services to ensure performance, availability, and effective access management.<br>• Direct infrastructure security efforts by applying hardening standards, addressing vulnerabilities, and improving overall risk posture.<br>• Work closely with application and technology teams to support secure integrations and dependable system connectivity.<br>• Enhance cloud design, backup and recovery capabilities, and data protection practices to strengthen resilience and integrity.<br>• Contribute to audit and regulatory readiness by supporting infrastructure controls tied to compliance programs.<br>• Partner on technology initiatives to deliver scalable, secure, and efficient infrastructure outcomes across the organization.
• At least 7 years of experience in systems engineering, senior systems administration, or closely related infrastructure roles.<br>• Strong hands-on expertise with Microsoft technologies, including Microsoft 365, Azure, Active Directory, and Azure Active Directory.<br>• Practical scripting and automation experience using Python, Bash, or both.<br>• Demonstrated background in system hardening, vulnerability remediation, and infrastructure security troubleshooting.<br>• Ability to function as a technical lead and trusted escalation point for complex operational issues.<br>• Experience supporting cloud-based and hybrid infrastructure environments in enterprise settings.<br>• Working knowledge of Microsoft Windows Server, Microsoft Exchange, and Citrix technologies.
<h3 class="rh-display-3--rich-text">Technology Doesn't Change the World, People Do.<sup>®</sup></h3> <p>Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.</p> <p>Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/us/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.</p> <p>All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit <a href="https://roberthalf.gobenefits.net/" target="_blank">roberthalf.gobenefits.net</a> for more information.</p> <p>© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/us/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/us/en/privacy">Privacy Notice</a>.</p>
  • Villa Park, IL
  • onsite
  • Temporary / Contract
  • 55.4135 - 64.163 USD / Hourly
  • We are looking for an experienced Sr Systems Engineer to support and enhance enterprise infrastructure in Illinois. This Long-term Contract opportunity is ideal for a technical leader who can resolve complex systems challenges, strengthen security, and improve reliability across cloud and on-premises environments. The role will focus on modernizing core platforms, advancing automation, and partnering with cross-functional teams to deliver scalable, well-governed infrastructure solutions.<br><br>Responsibilities:<br>• Serve as the primary technical resource for diagnosing and resolving advanced infrastructure, platform, and systems-related issues.<br>• Lead the alignment and consolidation of acquired or distributed environments to promote consistency, security, and operational stability.<br>• Create and maintain automation tools and scripts using Python and/or Bash to streamline administration and reduce manual effort.<br>• Manage and improve Microsoft 365, Azure, and related identity services to ensure performance, availability, and effective access management.<br>• Direct infrastructure security efforts by applying hardening standards, addressing vulnerabilities, and improving overall risk posture.<br>• Work closely with application and technology teams to support secure integrations and dependable system connectivity.<br>• Enhance cloud design, backup and recovery capabilities, and data protection practices to strengthen resilience and integrity.<br>• Contribute to audit and regulatory readiness by supporting infrastructure controls tied to compliance programs.<br>• Partner on technology initiatives to deliver scalable, secure, and efficient infrastructure outcomes across the organization.
  • 2026-06-01T00:00:00Z

Sr Systems Engineer Job in Villa Park, IL | Robert Half