Systems & Network Manager

Colonial Group, Inc.•Savannah, GA

6d•Hybrid

About The Position

Responsible for the day-to-day operation, reliability, and security of enterprise systems and network infrastructure, including compute, storage, virtualization, backup and data protection, identity and directory infrastructure, network, and voice. Leads the systems and network engineering team, executes the infrastructure roadmap set by the Director, IT Infrastructure, and serves as the primary technical escalation point for Tier 3 infrastructure matters. Delivers assigned infrastructure projects, including acquisition integration and datacenter consolidation work, on time and within approved scope.

Requirements

A minimum of 10 years of experience in the IT industry
4 years leading technical staff
Experience contributing to and executing a multi-year infrastructure and hosting plan
Experience operating infrastructure across multiple sites
Ability to lead and direct the work of technical staff
Strong operational management experience with enterprise systems and network infrastructure
Solid project management experience
In-depth understanding of high availability, backup and recovery, and disaster recovery principles
Excellent Microsoft Windows Server, Linux, Cisco, and VMware skills and knowledge
Strong working knowledge of Active Directory, Entra ID hybrid identity, and Microsoft 365 infrastructure services
Advanced knowledge of networking concepts: Layer 3 routing (BGP, EIGRP, OSPF), Layer 2 switching, NAT, WAN protocols, wireless, and firewalls
Experience with enterprise telecommunications and voice solutions
Working knowledge of change management, monitoring, and IT General Controls
Ability to effectively communicate with others, both written and verbal
Advanced reading and writing skills with the ability to perform intermediate mathematical calculations

Nice To Haves

ITIL certification
Cisco, VMware, or Microsoft infrastructure certifications
Experience with private cloud or colocation hosting models
Experience supporting infrastructure in regulated industrial, energy, or maritime environments
Experience with acquisition technology integration or datacenter consolidation
Experience with storage, backup, and data protection platform administration

Responsibilities

Manages and directs the systems and network engineering staff to ensure efficient, reliable operation of compute, storage, virtualization, network, voice, and datacenter resources in support of business needs
Provides Tier 3 technical leadership and escalation for infrastructure incidents and problems, coordinates on-call coverage, and ensures timely restoration and root cause resolution
Executes the infrastructure roadmap and standards set by the Director, IT Infrastructure, and contributes operational and technical input to roadmap, capacity, and lifecycle planning
Operates and maintains virtualized and physical compute systems, storage and storage area networks (SAN, iSCSI, DAS, cluster), and hosted and private cloud environments
Administers and maintains enterprise network and voice infrastructure, including routing, switching, wireless, WAN and carrier circuits, firewalls in coordination with IT Security, and telephony platforms
Operates identity and directory infrastructure (Active Directory, Entra ID hybrid identity, and related services) in coordination with IT Security on access governance
Performs and verifies backup, recovery, and data protection operations; executes disaster recovery tests and maintains recovery documentation to the objectives set by the Director
Implements and operates secure configurations for datacenters, virtualization platforms, and storage in partnership with IT Security, and remediates assigned vulnerability and audit findings within required timeframes
Monitors capacity, performance, and availability; maintains monitoring and alerting; and recommends near-term capacity actions and lifecycle replacements
Delivers assigned medium to large infrastructure projects, including acquisition integration and datacenter consolidation work, managing schedule, technical scope, and stakeholder communication
Follows and enforces infrastructure change management, ensuring changes are planned, tested, approved, communicated, and reversible, and that systems remain current with supported versions, patches, and firmware
Manages day-to-day performance of hosting, carrier, and infrastructure vendors and escalates contract or relationship issues to the Director
Provides inputs to capital and operating budget planning for assigned areas, including hardware and software renewals and lifecycle replacements
Maintains technical documentation, runbooks, configuration baselines, and asset records for assigned infrastructure
Supports IT Governance and IT General Controls objectives, including producing evidence and completing remediation for assigned controls
Develops and cross-trains team members, integrates staff transitioning onto the team, conducts performance management, and identifies succession and skills development needs
Works collaboratively with the IT Service Desk, IT Security, IT Procurement, and business stakeholders
Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion.