Sr. Network Engineer

Column Technical Services; Chicago (IL); On-site; USD 92,000 - 138,000; Full time

Job summary

Join a leading company in IT Services as a Senior Network Engineer in Chicago. Ideal candidates possess over 15 years of experience in network design, management, and a strong grasp of networking protocols. You will be involved in architecting and managing large-scale networks, integrating advanced technologies, and collaborating with multidisciplinary teams for enhanced network solutions.

Qualifications

• At least 15 years of experience in large-scale network design and management.
• Proficiency in core networking protocols.
• Experience with automation tools for network tasks.

Responsibilities

• Architect and implement functional networks across multiple data centers.
• Monitor network performance and troubleshoot escalated issues.
• Collaborate with cross-functional teams to deliver robust network solutions.

Skills

BGP

OSPF

MPLS

VxLAN

Ansible

Problem-solving

Education

Bachelor's degree in Information Technology or related field

Tools

Ansible

Job description

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Column Technical Services is on the lookout for a proficient and seasoned Senior Network Engineer to become part of a dynamic team. The perfect applicant will bring substantial experience in designing, constructing, and maintaining large-scale networks, with a demonstrated capability to oversee both backbone and edge network performance. This position involves spearheading complex projects, working closely with stakeholders, and playing a crucial role in the ongoing enhancement of our network infrastructure. We encourage you to apply for this exciting opportunity today.

Primary Responsibilities

• Network Design and Deployment:
• Architect and implement functional networks (LAN, WLAN, WAN) across multiple data centers and corporate sites.
• Configure and install network devices such as switches, routers, wireless access points, firewalls, and load balancers.
• Develop and deploy high-availability network solutions tailored to business requirements.
• Integrate technologies like VxLAN with MPLS networks.
• Network Performance and Management:
• Monitor network performance to ensure system availability and reliability.
• Analyze and troubleshoot cloud and local infrastructure, addressing escalated issues from support tiers.
• Utilize expertise in BGP, OSPF, ISIS, MPLS, QoS, IPSEC, DNS, and related protocols to maintain network integrity and performance.
• Implement DDoS mitigation strategies and other edge network security measures.
• Automation and Innovation:
• Deploy and manage automation solutions using tools like Ansible for network tasks and monitoring.
• Propose and implement improvements in network performance, capacity, and scalability.
• Documentation and Reporting:
• Maintain comprehensive and accurate technical documentation for network configurations and processes.
• Communicate effectively with stakeholders and users, providing updates and support as needed.
• Write internal benchmark performance tests, feature definition documents, and technical collateral.
• Security and Compliance:
• Develop, oversee, and test security measures to protect access and ensure disaster recovery readiness.
• Ensure compliance with network security standards, including MACsec/NAC, SSLVPN, and edge security protocols.
• Collaboration and Integration:
• Collaborate with cross-functional teams including Project Managers, Sales Engineers, and implementation teams to deliver robust network solutions.
• Work on integrations involving Cisco, Palo Alto, Azure, and other platforms to support business operations.
  

Qualifications

• At least 15 years of experience in large-scale network design, implementation, and management.
• Proficiency in core networking protocols: BGP (with BFD), OSPF, ISIS, MPLS, RSVP, VxLAN, BGP EVPN, QoS.
• Strong understanding of IPSEC, DNS, SSLVPN, MACsec/NAC, CDN, and load balancing.
• Experience with automation tools (e.g., Ansible) for network tasks.
• Proven ability to mentor and lead network engineering teams.
• Excellent problem-solving skills, attention to detail, and the ability to work independently and collaboratively.
• Effective communication and documentation skills.
  
  

Preferred Skills

• Experience with DDoS mitigation and advanced edge network security.
• Familiarity with managed service offerings on MPLS networks.
• Hands-on experience with data center migrations and network architecture planning.
• Technical writing skills for creating performance documentation, feature definitions, and reference architecture notes.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting

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