Persistent Systems

Network Consultant

Company
Location
London Area, United Kingdom
Posted At
7/7/2025
Advertise with us by contacting: [email protected]
Description

About Persistent:

We are a trusted Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world including 14 of the 30 most innovative US companies, 80% of the largest banks in the US and India, and numerous innovators across the healthcare ecosystem.

About Position and details:

  • Role: Network Consultant
  • Location: Harbour Exchange Square, London
  • Mode: Hybrid(2 to 3 days to office)
  • Experience: 6 to 15 years
  • Job Type: Permanent role

Knowledge, skills, and abilities

In-depth knowledge of design, implementation, configuration and testing of the following:

  • Routing – OSPF, BGP, knowledge of route redistribution and manipulation.
  • WAN -MPLS, Internet, VPN, SDWAN, understanding of circuit commissioning.
  • Datacenter – ACI spine and leaf, APIC, VxLAN and distribution switching.
  • Encryption - IPsec VPN, MACSec, configuring site-to-site VPN on routers and firewalls.
  • Switching and L3 - HSRP, VRRP, GBLP, NTP, STP, RSTP, QoS, CoS, SVI, VLAN’s, ACL’s.
  • WiFi – Cisco Meraki and Cisco Wireless LAN controllers with Lightweight APs.
  • Firewalls – Cisco ASA/FirePOWER, Conversion from ASA code to Firepower, Checkpoint, Fortigate, ACL’s, CSM/FMC.

Qualifications / certifications

Engineering/Computer Science Degree or industry related qualifications, such as AWS and Cisco Certifications

Operational

  • Provide last line support for solutions delivered by the engineering function in line with existing IT service management processes.Act as an escalation point, for the managed service, for problems pertaining to network technology and with a view to re-engineering.
  • Successfully transition the support of new network technologies to the support team. This will include preparing written documentation, such as a ‘Handover to Support’ document, and include product training, where required.
  • Perform all changes to standards across the whole network stack, including cloud, on-premises datacenters, including internet edge and ACI Fabric, branch, WAN, and operate CSM/FMC to deploy firewall rules where required.
  • Assist in the network audits and any security compliance reporting or adherence to security or compliance related processes.
  • Participate in the transformation of documentation.This is to assist in building a set of ‘best practice’ documents in relation to Network Security.
  • Engage with third parties, assisting on high impact network issues. This would entail joining a bridge and working with vendors.
  • Engage with third party vendors, such as Cisco TAC or other.
  • Have familiarity with Network Admission Control products such as Cisco Identity Services Engine.
  • Solid troubleshooting skills with the ability to provide a packet capture on the FW and debugging thereafter.
  • Solid understanding of routing and switching.
  • Understanding of QoS.
  • Understanding of Unified Communications.

Benefits:

  • Competitive salary and benefits package
  • Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications.
  • Opportunity to work with cutting-edge technologies.
  • Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
  • Annual health check-ups
  • Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Let’s unleash your full potential at Persistent - persistent.com/careers.

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”

Advertise with us by contacting: [email protected]
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