Sr. Telecom Network Administrator

TEKsystems•Annapolis, MD

3d•$60 - $75•Onsite

About The Position

An established global provider of wireless communications and mission-critical infrastructure solutions is expanding its North American operations due to continued growth and the deployment of new hardware, software, and applications. To support this growth, the organization is seeking a Senior Network Administrator to join its operations team and support large-scale deployments and production environments. This individual will play a key role in supporting network operations, systems administration, and infrastructure management within a 24/7/365 operational environment. The position will focus heavily on supporting new platform deployments and service go-lives while ensuring network performance, reliability, security, and scalability. The Senior Network Administrator will serve as a Tier 3 escalation resource and provide advanced support for enterprise and telecommunications network infrastructure. This position combines network administration, systems administration, monitoring, troubleshooting, security, and DevOps-focused automation. The ideal candidate will have strong experience in Network Operations Center (NOC) environments, supporting internet service providers, telecommunications networks, or other mission-critical infrastructure environments.

Requirements

5+ years of Senior-level experience in network administration and/or systems administration.
Experience in a NOC environment supporting telecommunications, ISP, or other mission-critical infrastructure environments.
Strong experience troubleshooting complex issues involving routers, switches, firewalls, and network services.
Experience with virtualized server environments and enterprise infrastructure management.
Experience supporting customer-facing environments and managing escalations.
Bachelor's degree in Information Technology, Computer Science, Telecommunications, or a related field preferred. Relevant professional experience may be considered in lieu of a degree.
Strong experience with MPLS, BGP, OSPF, EIGRP, RIP, Multicast, VLANs, Inter-VLAN Routing, Spanning Tree Protocol, BFD, VXLAN, EVPN, IS-IS, VRRP.
Experience with IPSec VPN, SSL VPN, Advanced firewall administration, Network security best practices.
Linux administration (Red Hat preferred).
System installation, configuration, hardening, patching, and maintenance.
Storage and filesystem management including: LVM, RAW, XFS, EXT4, BTRFS.
Experience with Grafana, Prometheus, Elasticsearch, Infrastructure monitoring and alerting platforms.
Virtualized server deployment and management.
Cloud-hosted infrastructure.
Git-based workflows.
Automated deployment processes.
Infrastructure automation and orchestration.
Excellent written and verbal communication skills.
Ability to write clear incident reports and post-mortem documentation.
Strong troubleshooting and analytical abilities.
Comfortable working in high-pressure, mission-critical environments.
Ability to take initiative and work independently.
Strong collaboration and cross-functional communication skills.
Natural curiosity and desire to continuously learn new technologies.

Nice To Haves

Professional networking certifications (Juniper, Cisco, or equivalent).
Red Hat certifications.
Cloud certifications.
Cybersecurity certifications.
Container platform experience preferred (OpenShift highly desired).

Responsibilities

Provide Tier 3 technical support within a 24/7/365 operations environment.
Respond to, troubleshoot, escalate, and resolve incidents in accordance with established service-level agreements (SLAs).
Serve as a primary escalation point for complex networking and infrastructure issues.
Proactively monitor network, server, and cloud environments to identify and resolve issues before they impact operations.
Assess system performance and recommend improvements and optimizations.
Design, optimize, implement, and maintain network infrastructure across multiple office locations and cloud environments.
Deploy, maintain, and troubleshoot routers, switches, firewalls, virtualized systems, and supporting infrastructure.
Maintain user accounts, access controls, and software licensing.
Administer Linux-based systems and enterprise server environments.
Plan and execute system upgrades, patches, and security hardening activities.
Support infrastructure-as-code initiatives and automation efforts.
Develop repeatable operational processes and automated workflows.
Utilize Git-based workflows and automated deployment methodologies.
Support software testing, deployment, and release management activities.
Ensure infrastructure adheres to security, compliance, and operational standards.
Conduct system audits and maintain accurate asset inventories.
Support cybersecurity best practices and vulnerability remediation efforts.
Manage VPN configurations, firewall policies, and secure access controls.
Create and maintain standard operating procedures (SOPs), knowledge articles, incident reports, and post-mortem documentation.
Maintain detailed documentation of infrastructure, system configurations, processes, and policies.
Collaborate with network engineers, developers, operations teams, and business stakeholders.
Provide technical guidance and mentorship to junior team members.