Sr Systems Engineer

Description 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.

Responsibilities:

- Serve as the primary technical resource for diagnosing and resolving advanced infrastructure, platform, and systems-related issues.

- Lead the alignment and consolidation of acquired or distributed environments to promote consistency, security, and operational stability.

- Create and maintain automation tools and scripts using Python and/or Bash to streamline administration and reduce manual effort.

- Manage and improve Microsoft 365, Azure, and related identity services to ensure performance, availability, and effective access management.

- Direct infrastructure security efforts by applying hardening standards, addressing vulnerabilities, and improving overall risk posture.

- Work closely with application and technology teams to support secure integrations and dependable system connectivity.

- Enhance cloud design, backup and recovery capabilities, and data protection practices to strengthen resilience and integrity.

- Contribute to audit and regulatory readiness by supporting infrastructure controls tied to compliance programs.

- Partner on technology initiatives to deliver scalable, secure, and efficient infrastructure outcomes across the organization. Requirements - At least 7 years of experience in systems engineering, senior systems administration, or closely related infrastructure roles.

- Strong hands-on expertise with Microsoft technologies, including Microsoft 365, Azure, Active Directory, and Azure Active Directory.

- Practical scripting and automation experience using Python, Bash, or both.

- Demonstrated background in system hardening, vulnerability remediation, and infrastructure security troubleshooting.

- Ability to function as a technical lead and trusted escalation point for complex operational issues.

- Experience supporting cloud-based and hybrid infrastructure environments in enterprise settings.

- Working knowledge of Microsoft Windows Server, Microsoft Exchange, and Citrix technologies. Technology Doesn't Change the World, People Do.®

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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  for more information.

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