Marcus Strickland

• • Sustained critical NATO Deployable Communication and Information Systems (DCIS) across land and maritime environments, delivering Tier 3 technical support to maximize system availability.

• • Executed high-impact technical refreshes and infrastructure upgrades, deploying and configuring enterprise servers, storage (MSA/NAS), switches, routers, and firewalls in compliance with IA and cybersecurity requirements.

• • Standardized operational workflows by authoring key SOPs, technical documentation, and configuration records to ensure strict compliance with NATO security standards.

• • Coordinated service delivery, technical resources, and maintenance across 30+ deployable platforms as the primary technical liaison supporting joint NATO operations.

• • Sustained global enterprise network infrastructure and Infrastructure-as-a-Service (IaaS) environments, ensuring highly available connectivity across unclassified, secure, and segmented multi-domain networks.

• • Configured, maintained, and troubleshot Cisco enterprise networking technologies, including switching, Spanning Tree Protocol (STP), and Cisco Identity Services Engine (ISE), to optimize network performance, enforce secure network access, and maintain resilient LAN/WAN operations.

• • Drove enterprise cybersecurity and compliance initiatives by conducting configuration reviews, vulnerability remediation, and security baseline enforcement in alignment with industry frameworks and corporate security standards.

• • Led enterprise incident response and root cause analysis (RCA) using Remedy ITSM, collaborating with engineering and security teams to rapidly restore business-critical services.

• • Administered multi-domain enterprise LAN/WAN infrastructure and video teleconferencing (VTC) systems, managing configurations and upgrades to ensure high availability, business continuity, and strict security compliance.

• • Selected as Team Lead over 15 senior technicians to design and execute a technical training program, boosting team certification rates from 20% to 100%.

• • Led network deployments and Tier 2 support for 7 large-scale enterprise events supporting 1,000+ users each, integrating Cisco switches, fiber/copper cabling, and secure network services while implementing DHCP scopes and network configurations to support VoIP and WAN interoperability.

• • Managed lifecycle readiness and configuration compliance for $4M+ in enterprise IT assets.