Our client, a leading enterprise organization, is seeking an experienced Windows Systems Administrator to join their team **.** In this role, you will manage and modernize a complex Microsoft-based hosting environment, working closely with application teams to support and upgrade legacy infrastructure and align with broader organizational consolidation efforts. **Job Title:** Windows Systems Administrator **Location:** Remote (Candidates preferred in EST/CST time zones) **Type:** W2 Contract – not open to C2C **Terms:** 6-month contract (potential for extension) **Top Skills:** • Windows Server & Microsoft Services (AD, ADFS, IIS, MSMQ, SQL Server) • DevOps or Site Reliability Engineering (SRE) in Windows environments • Experience with hybrid environments (Windows & Linux) **What You’ll Do:** • Provide day-to-day administration of a Microsoft domain, including patching, upgrades, and troubleshooting • Manage and maintain key Microsoft services including IIS, ADFS, SQL Server, and MSMQ • Support web applications and services hosted primarily on Windows servers with Linux-based backing services (e.g., Redis, PostgreSQL, Splunk) • Maintain and renew certificates for ADFS and IIS applications • Work alongside application teams to support production issues and modernization initiatives • Participate in project work aimed at consolidating infrastructure (e.g., migrating logging from Splunk to Datadog, retiring legacy CI/CD tools) • Evaluate and support potential migration paths to Azure hosting • Modify and maintain ADFS configurations to support external identity providers • Collaborate with internal teams and troubleshoot third-party integrations (e.g., Snowflake) **What You Bring:** • Strong experience supporting externally facing web applications in a Microsoft server environment • Expertise in managing and configuring: Windows Server, IIS, Active Directory, ADFS, MSMQ, SQL Server • Experience supporting or collaborating with DevOps or SRE teams • Working knowledge of Linux environments (especially Ubuntu, Redis, PostgreSQL) • Familiarity with load balancers (e.g., Kemp, Netscaler) • Exposure to tools like TeamCity, Octopus, GitHub Actions, and Splunk • A generalist mindset with a willingness to learn and troubleshoot legacy systems • Excellent communication skills and ability to work independently • Nice to have: Experience with server upgrades and system testing **What’s in it for me?** • Opportunity to work on modernization initiatives within a complex enterprise environment • Flexible remote work schedule • Medical, dental, and vision coverage offered (Experis) • Access to Experis Upskilling Program • Paid holidays after 6 months of contracting If this sounds like a fit for your skills and interests, click apply now and a recruiter will reach out to discuss this exciting opportunity. We look forward to speaking with you! **About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells** ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2022 ManpowerGroup was named one of the World's Most Ethical Companies for the 13th year - all confirming our position as the brand of choice for in-demand talent. ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.