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Staff Network Engineer

Cision
CompanyCision
CategoryEngineering
LocationGB
Remote
EmploymentNot stated
LevelNot stated
SalaryNot stated by the employer
Posted18 May 2026
Last verified12 Aug 2026
SourceThe employer's own careers page (company_site)
Applications are handled by the employer, not by us.Apply on the employer's site →
Description
Cision, a global leader in PR, marketing, and social media management technology, seeks a Staff Network Engineer to design, implement, and operate highly reliable network infrastructure across cloud and on-premises environments. This role requires strong expertise in networking, cloud architectures, and network automation, with the candidate serving as a key technical contributor within the Network Engineering team. What You'll Do • Design, implement, and maintain network infrastructure across cloud and on-premises environments • Implement and maintain routing architectures including BGP, OSPF, route policies, and peering strategies • Implement and manage hybrid networking including VPNs, Direct Connect, and inter-region routing • Manage and configure Juniper networking hardware • Develop network automation using Infrastructure-as-Code tools such as Terraform and Ansible • Implement network security controls including segmentation, firewall policies, and access management • Participate in capacity planning, performance optimisation, and traffic analysis • Participate in incident response and root cause analysis for network-related outages • Manage ISP connectivity including transit providers, private circuits, and carrier relationships What You Need • 7+ years of experience in network engineering roles • Relevant certification such as CCNP or JNCIP in Data Centre, Enterprise, or Service Provider • Strong knowledge of BGP, OSPF, routing policies, and network troubleshooting • Strong understanding of TCP/IP, DNS, NAT, routing, switching, and load balancing • Hands-on experience with Juniper networking platforms including SRX Firewalls and QFX switching • Ability to troubleshoot layer 2 issues including ARP, MAC address tables, LACP, and MC-LAG • Ability to troubleshoot DNS problems • Experience with common network cabling • Knowledge of Kubernetes CNI such as Calico and Cilium • Experience with hybrid cloud networking including site-to-site VPNs and private connectivity such as AWS Direct Connect and GCP Interconnect • Understanding of cloud-native networking services such as VPC, Transit Gateway, and Cloud Router • Working knowledge of Terraform for network infrastructure provisioning • Experience with configuration management tools such as Ansible • Experience implementing network monitoring and alerting systems • Understanding of network performance metrics and logging • Ability to create and maintain runbooks and documentation • Experience implementing network security controls and segmentation • Understanding of firewall management and security policies • Familiarity with network access control concepts Nice to Have • EVPN experience • Ability to drive to London Data Centres • Experience with RIPE • Good understanding of MANRS and RPKI • Experience with IPv6 rollout • Juniper-specific knowledge and experience • Linux CLI knowledge