What are the responsibilities and job description for the Senior Network Engineer position at Alternative Information Systems?
Company Description Alternative Information Systems, founded in 1988 and based in Buffalo, NY, is a long-tenured technology partner serving organizations across Western New York and nationwide. The company delivers scalable solutions including VoIP phone systems, unified communications, fully managed IT services, network infrastructure, and remote monitoring. Its portfolio also covers cybersecurity, data protection, cloud services, and business continuity to keep clients connected, secure, and productive. A locally based team provides responsive, personalized support backed by deep technical expertise. Applicants can expect to join a stable, growing organization with a strong focus on simplifying and securing customers’ technology environments.
Role Description This is a full-time, on-site Senior Network Engineer role based in Buffalo, NY. The Senior Network Engineer will design, implement, and maintain secure, reliable network infrastructures for a diverse client base, covering LAN, WAN, wireless, and cloud-connected environments. Responsibilities include configuring and managing switches, routers, firewalls, VPNs, and related network services, as well as optimizing performance and capacity. The role involves proactively monitoring networks, diagnosing and resolving complex issues, and escalating when needed to ensure high availability and minimal downtime. The Senior Network Engineer will also contribute to network security initiatives, assist with project planning and documentation, mentor junior team members, and collaborate with clients and internal teams to support new deployments, upgrades, and ongoing managed services.
Qualifications
Role Description This is a full-time, on-site Senior Network Engineer role based in Buffalo, NY. The Senior Network Engineer will design, implement, and maintain secure, reliable network infrastructures for a diverse client base, covering LAN, WAN, wireless, and cloud-connected environments. Responsibilities include configuring and managing switches, routers, firewalls, VPNs, and related network services, as well as optimizing performance and capacity. The role involves proactively monitoring networks, diagnosing and resolving complex issues, and escalating when needed to ensure high availability and minimal downtime. The Senior Network Engineer will also contribute to network security initiatives, assist with project planning and documentation, mentor junior team members, and collaborate with clients and internal teams to support new deployments, upgrades, and ongoing managed services.
Qualifications
- Strong skills in Network Engineering and Network Design, including architecting scalable, resilient, and secure network solutions.
- Hands-on experience with Network Administration and Troubleshooting for multi-site, multi-vendor environments.
- Proficiency in Network Security, including firewalls, VPNs, access control, segmentation, and best practices for protecting data in transit.
- Experience with routing and switching (e.g., BGP, OSPF, VLANs), wireless networking, and network monitoring tools.
- Relevant certifications (e.g., CCNA, CCNP, Network , Security ) or equivalent practical experience.
- Ability to create clear documentation, network diagrams, and implementation plans, and to communicate effectively with technical and non-technical stakeholders.
- Proven experience in customer-facing or managed services roles, with strong problem-solving skills and a service-oriented mindset.
- Bachelor’s degree in Computer Science, Information Technology, or a related field, or comparable professional experience.