Mid Level Network Engineer

Gateway Staffing & Consulting; Chattanooga (TN); On-site; USD 90,000 - 120,000; Full time

Job summary

Gateway Staffing & Consulting is seeking a Network Engineer to design, implement, and support client networks across multiple locations, balancing security with staff flexibility. You will work with firewalls, VPNs, VOIP, wireless, and SD-WAN, building high-availability infrastructures, documenting configurations, and coordinating with ISPs and internal teams.

Travel to customer sites as needed; BS in CS or related field or equivalent experience; strong problem-solving and customer service

Qualifications

• 3–5 years’ experience supporting LAN and WAN networks.
• Experience with IPSEC tunnels across multiple sites.
• Windows Server 2012/2016, Windows 10, and Linux knowledge.
• Ability to work with heterogeneous customer networks.
• Hands-on firewall/router configuration across multi-site environments.

Responsibilities

• Design and support client networking infrastructures for high availability.
• Troubleshoot network issues and coordinate with ISPs.
• Coordinate upgrades with systems and development teams.
• Document network architectures using Visio and IPAM.
• Travel to customer locations as needed.

Skills

Network design

Firewalls & VPNs

VOIP & UC

Windows/Linux expertise

Disaster Recovery

Education

BS Degree in Computer Science or related field

Tools

Fortinet

Cisco IOS

Barracuda

VeloCloud

Cisco Meraki

Ubiquiti

SD-WAN

Job description

The Network Engineer is expected to continuously seek solutions to improve the operating environment, reduce the costs of ongoing maintenance, and strike a balance between a high level of security and giving staff the flexibility to work effectively. Work activity includes teaming with other professionals in the planning, organization, control, and maintenance of the company IT infrastructure of network equipment, as well as customer network infrastructure across many remote locations. In addition, this role requires the candidate to demonstrate initiative and proficient learning and mentoring ability amongst peers and supporting staff. This role must be capable of working with limited supervision and must be able to interact effectively with all levels of Client management. This position reports directly to the Chief Technology Officer.

Responsibilities

• Serve as subject matter resource in mid-level network design and support of Client Networking Infrastructures to deliver services with high availability and reliability.
• Working knowledge of Routing protocols, IPSEC and SSL VPNs, Security, Wireless Networks, VOIP Systems and many remote Client Networks.
• Responsible for mid-level network design, implementation, and on-going support for Wireless Network Infrastructures with high availability and reliability.
• Ability to work external and internal customer network tickets from open to resolution in a timely manner.
• Participate in departmental specifications, policies, procedures, and standards to guide the management of the networking infrastructure and responsible for day-to-day coordination and planning with her/his counterparts on the business side.
• Working closely with the Systems, Application/Development, Network, and Support teams to coordinate system upgrades, maintain optimal performance and ensure appropriate levels of system redundancy are maintained for physical and virtual infrastructures.
• Hands-on network engineer with experience in the design and implementation of network infrastructure including firewalls, switches, routers, proxy servers, WAN accelerators and enterprise systems with virtualization.
• Participate in ensuring that policies, procedures, and standards are followed.
• Perform special projects and other duties as assigned by management.
• Troubleshoot and isolate network issues and coordinate problem resolution with ISPs and other third parties.
• Must possess superb customer service skills and an ability to diagnose and solve problems from non-technical descriptions provided by their customers.

Technical Expertise

• Mid-level network expertise, including firewalls, Switches, Routers, VOIP and Wireless certifications.
• Mid-level for Wireless Network Infrastructures.
• Mid-level for VOIP solutions with unified communications.
• Must understand the TCP/IP stack and 3-5 years’ experience supporting LAN and WAN networks with hosts running Windows 10, Windows Server 2012/2016, and Linux. Must understand application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, WINS, NTP, FTP, HTTP, SMTP, CIFS, LDAP, and Microsoft AD) and their relationship to end-user applications.
• Must have the ability to maintain a heterogeneous customer base with multiple types and brands of network infrastructure.
• Experience configuring and troubleshooting IPSEC encrypted tunnels between multiple routers and firewalls.
• Must have recent hands-on technical experience installing, configuring, documenting, and providing ongoing support for firewalls and routers with multiple sites.
• Must have experience modifying firewall rule sets, studying network traffic flows to reverse-engineer the required firewall rules to lock down an application, and troubleshooting firewall problems in an enterprise or service provider environment under short time constraints involving complex network application flows between multiple hosts spanning multiple firewalls and different geographic locations.
• Must have excellent problem-solving skills and a solid understanding of troubleshooting connectivity and performance issues involving firewalls, routers, network applications, and WAN circuits.
• Must have experience in developing and implementing Disaster Recovery plans and have led Disaster Recovery testing exercises.
• Experience in Fortinet, Cisco IOS, Barracuda, VeloCloud, Cisco-Meraki, Ubiquiti, and SD-WAN technologies preferred.

Expectations

• Interact with customers in a professional manner.
• Maintain and create documentation in Visio and IPAM.
• Provide opportunities for subordinate employees to expand their skills and promote a healthy learning environment.
• Support internal development operations with a cooperative attitude.
• Work within a ticketing system, queue workflows, completing tasks, and time keeping.
• Maintain strict time-control of tasks and assignments.
• Stay informed in all manners of industry trends, security advisories, and technical knowledge.
• Ability to be flexible and perform other duties as assigned.
• Travel as needed to customer locations.
• Ability to easily switch task between active projects based on customer requirements.
• BS Degree in Computer Science or related field or equivalent work experience.
• Participate in an on-call rotation.
• Must have excellent analytical and problem‑solving skills.