Job Description

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.

Key Responsibilities

Network Operations & Support

• 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.

Infrastructure Administration

• 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.

DevOps & Automation

• 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.

Security & Compliance

• 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.

Documentation & Collaboration

• 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.

Required Qualifications

Experience

• 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.

Education

• 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.

Certifications (Preferred)

• Professional networking certifications (Juniper, Cisco, or equivalent).
• Red Hat certifications.
• Cloud certifications.
• Cybersecurity certifications.

Technical Requirements

Routing & Switching

Strong experience with:

• MPLS
• BGP
• OSPF
• EIGRP
• RIP
• Multicast
• VLANs
• Inter-VLAN Routing
• Spanning Tree Protocol
• BFD
• VXLAN
• EVPN
• IS-IS
• VRRP

Security & VPN Technologies

• IPSec VPN
• SSL VPN
• Advanced firewall administration
• Network security best practices

Systems Administration

• Linux administration (Red Hat preferred)
• System installation, configuration, hardening, patching, and maintenance
• Storage and filesystem management including:
  • LVM
  • RAW
  • XFS
  • EXT4
  • BTRFS

Monitoring & Observability

Experience with:

• Grafana
• Prometheus
• Elasticsearch
• Infrastructure monitoring and alerting platforms

Virtualization & Cloud

• Virtualized server deployment and management
• Cloud-hosted infrastructure
• Container platform experience preferred (OpenShift highly desired)

DevOps

• Git-based workflows
• Automated deployment processes
• Infrastructure automation and orchestration

Soft Skills

• 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.

Schedule & Work Arrangement

• Initially 100% onsite.
• Expected onsite period of approximately six months during onboarding and training.
• Potential transition to a hybrid schedule of three days onsite and two days remote after becoming fully established in the role.
• Position supports the North American daytime operations team.
• Participation in an on-call rotation is required.

Travel

• Limited travel requirements.
• Potential opportunity for international travel after permanent hire, though travel is not mandatory.

Work Environment

This role operates within a fast-paced, highly collaborative environment that combines the stability of an established organization with the agility of a growing technology company. Success in the role requires both independent problem-solving skills and strong teamwork. Candidates must be comfortable taking initiative, conducting research, collaborating with peers, and escalating issues when appropriate.

Top Skills

1. 5+ years of Senior-level Network or Systems Administration experience within a NOC, telecommunications, ISP, or mission-critical infrastructure environment.
2. Advanced troubleshooting experience with routers, switches, firewalls, and network infrastructure.
3. Strong experience supporting Linux servers, virtualized environments, monitoring platforms, and cloud infrastructure.
4. Experience with network security, VPN technologies, and infrastructure hardening.
5. Excellent communication skills and the ability to collaborate across technical and business teams.

Employee Value Proposition

• Long-term, stable career opportunity with a growing global technology organization.
• Strong potential for conversion to a permanent position.
• Exposure to cutting-edge networking, cloud, security, and telecommunications technologies.
• Opportunity to contribute to large-scale deployments and critical infrastructure initiatives.
• Competitive compensation, paid time off, and holiday benefits.
• Ability to influence technical recommendations and future infrastructure deployments.

Reason for Opening

The organization is expanding its operations and increasing the scale of its deployments due to upcoming service go-lives and continued business growth. Additional Senior-level resources are needed to support operational readiness, infrastructure growth, and ongoing network administration activities

Job Type & Location

This is a Contract to Hire position based out of Annapolis, MD.

Pay and Benefits

The pay range for this position is $60.00 - $75.00/hr.

Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors.

Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:
• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Annapolis,MD.

Application Deadline

This position is anticipated to close on Aug 24, 2026.

About TEKsystems

We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company.

The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

About TEKsystems and TEKsystems Global Services

We’re a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We’re a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We’re strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We’re building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

San Francisco Fair Chance Ordinance: Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

Massachusetts Lie Detector: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Use of Artificial Intelligence (AI): We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.