Business Technology Jobs

Senior Network Engineer (Cisco, Arista, Palo Alto, Aruba)

We are seeking a highly skilled Senior Network Engineer with hands-on expertise in Cisco and Arista network switches, Palo Alto firewalls, and Aruba Wi-Fi solutions. The ideal candidate should bring 3–5 years of professional experience in network engineering, with prior exposure to a technical lead role. 

Mandatory Skill(s)

  • 3–5 years of working experience in network engineering roles;
  • Must have hands-on experience with Cisco and Arista switches (configuration, implementation, optimization);
  • Strong knowledge of Palo Alto firewalls (security policies, VPN, threat prevention, rule optimization);
  • Must have experience managing Aruba Wi-Fi solutions, including access point configuration, controller management, and wireless performance tuning;
  • Good understanding of network routing, switching protocols, and network security principles;
  • Ability to troubleshoot complex networking issues across LAN/WAN, wireless, and security devices;
  • Excellent documentation, communication, and stakeholder engagement skills.

Desirable Skill(s)

  • Prior experience in a technical lead capacity (guiding junior engineers, leading network projects);
  • Familiarity with network automation or scripting (Python, Ansible) for efficiency;
  • Experience with network monitoring tools (SolarWinds, PRTG, or similar);
  • Certifications such as CCNP, Arista Certified Engineer, Palo Alto PCNSE, or Aruba Certified Professional are advantageous;
  • Exposure to cloud networking (AWS, Azure, GCP) and integration with on-premises infrastructure.

Responsibilities

  • Design, configure, and maintain Cisco and Arista network switching environments to meet performance and scalability needs;
  • Administer and secure Palo Alto firewalls, ensuring robust perimeter security, VPN connectivity, and compliance with security standards;
  • Manage and optimize Aruba Wi-Fi deployments, ensuring seamless wireless coverage and end-user connectivity;
  • Perform advanced troubleshooting and root cause analysis for complex networking issues;
  • Collaborate with cross-functional teams to support business applications, cloud connectivity, and digital transformation initiatives;
  • Document network diagrams, configurations, and standard operating procedures;
  • Lead or support network infrastructure projects, upgrades, and migrations;
  • Mentor junior engineers and contribute to developing best practices for network security and performance.

If you are interested in this role, click on the “Apply to this job” button below or you could also write in with your CV to Aarthy Sezhian at aarthy.s@sciente.com quoting the job title.

Aarthy Sezhian
Lead technology Recruitment Specialist