Senior Engineer

Job Purpose
The Senior Systems & Network Engineer provides hands-on technical leadership for the design, implementation, troubleshooting, and support of client server, network, cloud, and security environments. This role is a senior escalation point within Exigo’s service delivery and project teams and is responsible for ensuring that solutions are implemented securely, reliably, and in alignment with the approved scope of work.

Job Purpose
The Senior Systems & Network Engineer provides hands-on technical leadership for the design, implementation, troubleshooting, and support of client server, network, cloud, and security environments. This role is a senior escalation point within Exigo’s service delivery and project teams and is responsible for ensuring that solutions are implemented securely, reliably, and in alignment with the approved scope of work.
This position is ideal for an experienced engineer who can move confidently between customer-facing technical discussions, deep troubleshooting, project implementation, and mentoring other engineers. While the role includes design and advisory responsibilities, it remains primarily a hands-on senior engineering position focused on execution, reliability, documentation, and technical quality.
Role Snapshot

Role Level
Senior hands-on engineer and escalation resource

Primary Focus
Systems, network, cloud, security, and client infrastructure operations

Customer Interaction
Frequent customer-facing technical communication and implementation support

Team Interaction
Works closely with service desk, systems engineers, project managers, account managers, and leadership

Travel / Schedule
Some customer-site travel and rotational after-hours support may be required

Main Responsibilities

Systems Engineering & Infrastructure Support

• Implement, administer, and troubleshoot Windows Server, Active Directory, DNS, DHCP, Group Policy, file services, print services, and related infrastructure components.
• Support Microsoft 365, Entra , Exchange Online, SharePoint, Teams, endpoint management, identity, and hybrid cloud environments.
• Deploy, maintain, and troubleshoot virtualization, storage, backup, disaster recovery, and high-availability solutions.
• Perform server migrations, operating system upgrades, application infrastructure changes, and environment standardization projects.
• Review system health, security posture, performance, and capacity trends and recommend corrective action.

• Design, implement, maintain, and troubleshoot LAN, WAN, wireless, VPN, firewall, routing, switching, and SD-WAN environments.
• Diagnose complex network connectivity, performance, authentication, DNS, routing, firewall, and remote access issues.
• Assist with network segmentation, secure remote access, firewall policy reviews, and implementation of security best practices.
• Support telecommunications and IP telephony environments where required.
• Maintain accurate network diagrams, configuration documentation, change records, and implementation notes.

• Participate in technical discovery, requirements gathering, solution planning, and implementation activities for client projects.
• Translate approved Statements of Work into practical technical implementation plans and task-level execution steps.
• Prepare and maintain technical design documents, deployment plans, migration plans, runbooks, and client-facing documentation.
• Perform technical quality assurance reviews to confirm that implemented solutions align with approved architecture, scope, security requirements, and operational standards.
• Work closely with Project Managers to identify dependencies, risks, timelines, milestones, and resource needs.

• Serve as a senior escalation resource for complex systems, network, cloud, and security incidents.
• Own assigned technical issues through resolution, including root-cause analysis, remediation, documentation, and communication.
• Follow established escalation, change control, documentation, time entry, and service delivery procedures.
• Proactively alert project management, account management, and service…