Senior Engineer-Network

In-Telecom; Arlington (TX); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Medical, dental, and vision insurance

401(k) retirement plan

Paid time off and holidays

Ongoing professional development

Job summary

In-Telecom is seeking a Senior Systems Engineer – Networking to design, deploy, and maintain secure network infrastructure for multiple clients. You will own complex network projects end to end, resolve escalations, and mentor junior engineers in a fast-paced managed services environment.

Responsibilities include configuring routers, switches, firewalls, and VPNs, while ensuring reliability, security, and documentation.

Qualifications

• Bachelor’s degree or equivalent experience in a related field.
• Strong TCP/IP and routing protocol knowledge essential.
• Hands-on experience with enterprise network platforms and firewalls.

Responsibilities

• Design, implement, and maintain secure network infrastructure across client environments.
• Configure routers, switches, firewalls, WLAN controllers, and access points.
• Escalate and resolve complex network incidents and mentor junior engineers.
• Monitor performance, reliability, and capacity; optimize for scalability.
• Implement network security controls including VPNs and segmentation.
• Automate routine tasks and create network documentation.
• Lead assessments, migrations, and client onboarding projects.
• Document diagrams and status reports accurately.

Skills

TCP/IP

BGP

OSPF

Cisco IOS

Meraki

JUNOS

Fortinet

Palo Alto

SonicWall

SD‑WAN

Python/PowerShell

Education

Bachelor's degree in Computer Science/IT

Tools

SolarWinds

PRTG

Azure

AWS

Job description

Application Deadline: 31 October 2026

Department: Service Desk

Employment Type: Full Time

Location: Texas

Reporting To: Royce Pellegrin

Description

In‑Telecom is an award‑winning managed technology partner serving more than 5,000 clients across the Gulf South and Southeast. We deliver Managed IT Services, cybersecurity, cloud communications (VoIP), fiber internet, video surveillance, and access control. Recognized on the 2026 MSP 501 and recently SOC 2 Type I attested, we pair enterprise‑grade engineering with the responsiveness of a partner who genuinely cares about client success. Our values — Integrity, Excellence, and Commitment — show up in a 96%+ customer satisfaction rating. We're looking for a Senior Systems Engineer – Networking to design, deploy, and maintain secure, reliable network infrastructure for our clients and internal operations. In this senior role you'll own complex network projects end to end, resolve the escalations that stump other tiers, and mentor junior engineers along the way. If you thrive in a fast‑moving managed‑services environment and love solving hard problems, we'd like to meet you.

Key Responsibilities

• Design, implement, and maintain secure network infrastructure (LAN, WLAN, WAN, and SD‑WAN) across multiple client environments.
• Configure and install networking hardware and software — routers, switches, firewalls, wireless controllers, and access points.
• Serve as the top escalation point for complex network incidents, troubleshooting cloud and on‑premises infrastructure to rapid resolution.
• Monitor network performance, integrity, and capacity; proactively tune and optimize for reliability and scalability.
• Design and implement network security controls, including segmentation, access authentication, VPNs, and disaster‑recovery measures.
• Automate routine tasks and monitoring using scripting to improve efficiency across managed environments.Lead network assessments, migrations, and deployments for client onboarding and infrastructure upgrades.
• Mentor and support junior network engineers and technicians on technical issues and best practices.
• Maintain complete, accurate technical documentation, network diagrams, and status reports.

Skills, Knowledge & Expertise

5–8 years of hands‑on experience as a Senior Network Engineer, Systems Engineer, or Network Administrator — MSP or multi‑client experience strongly preferred.

• Solid background in network administration and architecture across enterprise environments.
• In‑depth understanding of TCP/IP and routing protocols such as BGP and OSPF.
• Hands‑on expertise with network platforms (Cisco IOS, Meraki, JUNOS, or equivalent) and enterprise firewalls (Fortinet, Palo Alto, SonicWall).
• Working knowledge of access control models, network security, and VPN technologies.
• Experience with network monitoring and analysis tools (SolarWinds, PRTG, or similar).
• Scripting ability for automation (Python or PowerShell).
• Familiarity with cloud networking (Azure, AWS) and modern SD‑WAN solutions.
• Excellent troubleshooting, communication, and mentoring skills.
• Bachelor's degree in Computer Science, Information Technology, or related field — or equivalent experience.

Preferred qualifications

• CCNP or CCDP certification (CCNA required or in progress at minimum).
• Fortinet (NSE), Palo Alto (PCNSE), or Cisco Meraki certifications.
• Experience supporting VoIP / unified communications and QoS for voice traffic.
• Exposure to SOC 2, HIPAA, or other compliance‑driven environments.

Job Benefits

• Competitive salary plus performance incentives.
• Medical, dental, and vision insurance.
• 401(k) retirement plan.
• Paid time off and paid holidays.
• Ongoing professional development.