<p>We are looking for an experienced Senior Network and Infrastructure Engineer to join our team in Troy, Michigan on a Contract assignment. In this role, you will provide hands-on technical leadership across enterprise infrastructure, network operations, and systems support while helping ensure stable, secure, and well-documented environments. This position works closely with internal technology teams, external partners, and service providers to coordinate implementation efforts, resolve complex issues, and support operational readiness.</p><p><br></p><p>Responsibilities:</p><p>• Lead and support infrastructure implementation activities, including planning, execution, testing, and post-deployment validation across enterprise environments.</p><p>• Administer and troubleshoot core Microsoft services such as Active Directory, Windows Server, Group Policy, domain services, and authentication-related components.</p><p>• Coordinate network and infrastructure work with internal teams, vendors, and managed partners to keep project milestones on track and reduce disruption to business operations.</p><p>• Verify connectivity across on-premises, cloud-based, hosted, and third-party systems, resolving issues involving routing, firewalls, and secure access paths.</p><p>• Assist with application and platform readiness by reviewing dependencies, integrations, certificates, scheduled processes, and supporting server environments.</p><p>• Create and maintain technical diagrams, configuration records, runbooks, test results, rollback procedures, and other operational documentation.</p><p>• Participate in cutover preparation, deployment rehearsals, go-live activities, and stabilization support following implementation events.</p><p>• Identify technical risks, escalate blockers when needed, and contribute to change control, security, and governance practices throughout delivery activities.</p>