On-Site Senior Systems Engineer - Escalations & Reliability

TEKsystems; Grand Haven (MI); On-site; USD 80,000 - 110,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

Retirement plan

Cell phone reimbursement

Job summary

TEKsystems is seeking a Level 3 Senior Engineer to be the technical lead for the Service Delivery Team in Grand Haven, MI. You will resolve complex incidents, mentor Level 1–2 engineers, and drive continuous service improvements to ensure high availability and client satisfaction.

You will own advanced administration across Microsoft 365, Azure, Entra ID, Active Directory, Windows Server, and virtualization platforms while coordinating with security and network teams.

Qualifications

• 10+ years of progressive IT infrastructure and systems support experience.
• 3+ years’ operating in Senior escalation, engineering, or advanced support roles.
• Manufacturing experience is strongly preferred.
• MSP experience is strongly preferred.
• Demonstrated success managing complex technical escalations and client environments.

Responsibilities

• Serve as the primary escalation point for complex client issues that cannot be resolved by Level 1 or Level 2 technicians.
• Troubleshoot and resolve advanced infrastructure, cloud, networking, security, and application issues.
• Lead technical investigations involving recurring, high-impact, or business-critical incidents.
• Coordinate with vendors, software providers, and third-party support organizations when necessary.
• Participate in major incident response and restoration activities.
• Perform root cause analysis and develop corrective actions to prevent future occurrences.
• Maintain and support client technology environments to ensure maximum stability, security, and performance.
• Monitor service trends and proactively address recurring operational issues.
• Identify opportunities to improve client environments through standardization, automation, and operational best practices.
• Ensure adherence to service delivery processes, technical standards, and documented procedures.
• Support service continuity and business resilience initiatives.
• Provide Advanced Administration And Support For Technologies Including Microsoft 365, Azure, Entra ID, Active Directory, Windows Server, VMware and Hyper-V, Endpoint management platforms, Backup and disaster recovery, Remote monitoring and management platforms, Virtual desktop environments, Collaboration and communication platforms.
• Troubleshoot and maintain complex network environments.
• Assist with cybersecurity incident remediation and security hardening efforts.
• Review and address vulnerabilities identified through security monitoring and assessments.
• Collaborate with internal security resources to improve client security posture.
• Ensure operational adherence to security best practices and compliance requirements.
• Serve as a technical resource and mentor for Service Delivery staff.
• Guide technicians through advanced troubleshooting & problem-solving methodologies.
• Provide coaching during escalations to improve team capability and confidence.
• Promote knowledge sharing and cross-training throughout the organization.
• Help establish and maintain technical standards and best practices.
• Communicate effectively with both technical and non-technical stakeholders.
• Provide updates and recommendations during escalated support situations.
• Build confidence and trust with clients during critical incidents and service interruptions.
• Assist Client Success and leadership teams with technical consultations when needed.
• Maintain a customer-focused approach to issue resolution and service delivery.
• While the primary focus of this role is operational support and escalated service delivery, the Level 3 Senior Engineer May Also
• Assist with technical implementations and upgrades.
• Support project teams with specialized technical expertise.
• Provide post-project operational transition support.
• Participate in strategic technology planning discussions.

Skills

Microsoft 365 Administration

Azure Administration

Entra ID

Active Directory

Windows Server

PowerShell

Virtualization Platforms

Networking Technologies

Firewalls & Security Solutions

Backup & Disaster Recovery

Endpoint Management

Cloud Technologies

Monitoring & RMM Platforms

Tools

Cisco

Meraki

WatchGuard

Palo Alto

Unifi

Job description

TEKsystems is seeking a Level 3 Senior Engineer to be the technical lead for the Service Delivery Team in Grand Haven, MI. You will resolve complex incidents, mentor Level 1–2 engineers, and drive continuous service improvements to ensure high availability and client satisfaction.

You will own advanced administration across Microsoft 365, Azure, Entra ID, Active Directory, Windows Server, and virtualization platforms while coordinating with security and network teams.