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Sr. Network Engineer

American Credit Acceptance Careers

Spartanburg, SC

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JOB DETAILS
SKILLS
Amazon Web Services (AWS), Analysis Skills, BGP Routing Protocol, Best Practices, Cloud Computing, Computer Science, Customer Relations, Customer Support/Service, DHCP (Dynamic Host Configuration Protocol), DNS (Domain Name System), Documentation, EIGRP (Enhanced IGRP), Firewall Administration, Firewalls, Follow Through, IPsec (IP Security), Identify Issues, Internet Service Providers, Intrusion Detection Systems, Intrusion Prevention Systems, Mentoring, Microsoft Windows Azure, Multitasking, Network Administration/Management, Network Architecture/Engineering, Network Operations Center, Network Support, Open Shortest Path First Protocol (OSPF), Organizational Skills, Presentation/Verbal Skills, Problem Solving Skills, Process Improvement, Project/Program Management, QoS (Quality of Service), SNMP (Simple Network Management Protocol), SSL-TLS (Secure Socket Layer - Transport Layer Security), Security Auditing, Systems Administration/Management, TCP/IP (Transmission Control Protocol/Internet Protocol), Team Player, VLAN (Virtual Local Area Network), VPN (Virtual Private Network), Willing to Travel, Wireshark (Ethereal), Writing Skills
LOCATION
Spartanburg, SC
POSTED
Today
Description

The Sr. Network Engineer is a highly technical role responsible for designing, implementing, securing, and troubleshooting the organization's network infrastructure across datacenters, offices, and cloud environments. This individual will pair deep networking expertise with strong customer service skills, ensuring systems are stable, secure, and optimized to meet business needs.
Essential Functions

Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
  • Plan, design, document, and implement LAN, WAN, WLAN, VPN, and security systems including switches, routers, firewalls, NAC, and cloud connectivity.
  • Troubleshoot complex network issues using logs, packet captures, and monitoring tools; drive issues to root cause resolution instead of temporary fixes.
  • Act as a senior escalation point for complex network problems while maintaining a professional, customer-focused approach.
  • Partner with vendors, ISPs, and carriers to resolve connectivity and performance issues.
  • Contribute to security posture by auditing firewall rules, reviewing NAC/ISE policies, and hardening configurations.
  • Mentor junior team members in troubleshooting methodology and best practices.
Qualifications
  • BS in Computer Science, Engineering, or related field.
  • 5+ years hands-on experience with enterprise networking (Cisco, Palo Alto, Meraki, or equivalent).
  • Strong knowledge of TCP/IP, routing protocols (BGP, OSPF, EIGRP), VLANs, QoS, DNS, DHCP, SNMP, IPsec, SSL VPN.
  • Experience with firewall configuration, NAC/ISE, IDS/IPS, and VPN administration.
  • Experience with AWS/Azure connectivity (Direct Connect, ExpressRoute, VPN gateways).
  • Demonstrated ability to perform deep analysis using tools such as Wireshark, SolarWinds, DataDog, or ThousandEyes.
  • Excellent organizational and project management skills with ability to work on multiple tasks and follow through to completion.
  • Strong written and verbal communication; proven ability to engage with end users, business leaders, and vendors with professionalism and empathy.
  • Ability to create and write clear, complete documentation of systems and procedures.
  • Self-motivated and able to work independently or with a team.
Customer Service & Professionalism
  • Provide excellent customer service when engaging with associates and business partners, translating technical findings into clear business impacts.
  • Take ownership of issues from report through resolution, ensuring stakeholders are informed and satisfied with outcomes.
  • Balance technical precision with patience and approachability when assisting non-technical staff.
Supervisory Responsibility

This position has no direct supervisory responsibilities but may provide mentorship to junior staff.
Work Environment and Physical Demands

This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and videoconferencing equipment.
Position Type/Expected Hours of Work

This is a full-time position. Days of work are Monday through Friday. The daily schedule may vary from 8 am to 5 pm or 9 am to 6 pm. Hours may vary or exceed 40 in any given week depending on the needs of the business.
Travel

This position requires up to 10% travel.

EEO Statement

ACA provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. ACA complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.

California Privacy Notice

As an employer of California residents, we are dedicated to protecting your privacy rights. Any personal information you provide during the application process will be used solely for permitted internal purposes and will be handled in accordance with applicable privacy laws. By applying to this position, you consent to the collection, use, and disclosure of your personal information as described in our Employee Privacy Notice .

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

About the Company

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American Credit Acceptance Careers

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