S

Sectigo

SSL certificates and automated CLM

Network Engineer

Network Engineering & AdministrationConfirmed live in the last 24 hours
Full-timeManchester, UK£55k - £62k /yr

About the Job

Requirements

  • A Bachelor's degree in computer science, information technology, or a related field is strongly preferred.
  • Typically, at least 5 years of experience in network engineering roles supporting, implementing, and managing enterprise-scale network infrastructures.
  • Ability to create, implement, and maintain automation using Terraform and Ansible.
  • Proficiency with Git.
  • Comfort with JSON, YAML, and XML.
  • AWS network experience, including Transit Gateways, Network ACLs, AWS Network Firewall, Security Groups, VPCs, and subnets.
  • Proficiency installing, implementing, supporting, and maintaining Juniper, Palo Alto, and Arista hardware and software in data center and campus environments.
  • Ability to design, implement, and support route-based and policy-based site-to-site VPNs.
  • Ability to design, implement, and support enterprise remote-access VPNs such as GlobalProtect or AnyConnect.
  • Understanding of overlay versus underlay networking and its interaction with EVPN.
  • Ability to support, implement, and maintain RADIUS and TACACS+ for device access management and network access control, including 802.1X.
  • Ability to implement, support, and use NetFlow, SNMP, and related enterprise monitoring tools.
  • Understanding of stateful versus non-stateful firewall rules, symmetric versus non-symmetric traffic flows, NAT types, and order of operation.
  • Knowledge of OSPFv2, OSPFv3, and BGP.
  • Knowledge of IPv6.
  • Understanding of rapid spanning tree protocol, 802.1Q, VLANs, and Layer 2 security.
  • Understanding of wireless networking, roaming, and troubleshooting.
  • Understanding of first-hop redundancy protocols such as VRRP and HSRP, LACP, BFD, and switch stacks.
  • Understanding of path MTU discovery, ICMP, and basic TCP flags.
  • Good understanding of DNS, DHCP, ARP, and Neighbor Discovery.
  • Comfortable troubleshooting segments, packets, and frames using packet captures and tools such as Wireshark and tcpdump.
  • Ability to mount and install network devices such as routers, switches, and servers, including rack mounting, cable management, and hardware configuration.
  • Ability to lift network equipment weighing up to 50 pounds.
  • Ability to participate in an on-call rotation.
  • Ability to travel nationally and internationally as needed and make frequent visits to the data center near Manchester.

Responsibilities

  • Design, plan, and implement network infrastructure moves, adds, and changes, including maintenance and support.
  • Implement and maintain network security protocols, including firewalls, intrusion detection and prevention systems, VPNs, access control lists, and encryption technologies.
  • Diagnose and resolve complex network issues, analyze network performance, and optimize infrastructure for high availability, reliability, and performance.
  • Create and maintain network documentation, diagrams, and standard operating procedures.
  • Generate reports on network performance, security incidents, and compliance status for management review.
  • Assess current and future network capacity requirements based on business growth projections and technology trends, and plan and implement scalability solutions.
  • Ensure network infrastructure complies with industry regulations, standards, and best practices, including PCI DSS, HIPAA, GDPR, ISO, and WebTrust; conduct audits and implement remediation measures as needed.
  • Mount and install network devices in data centers and office locations.
  • Perform additional tasks in response to company initiatives and business needs.

Desired Qualifications

  • Knowledge of Python.
  • Knowledge of SD-WAN technologies such as Palo Alto, Aruba/Silver Peak, or Cisco/Viptela.
  • Knowledge of DMVPN, FlexVPN, and other vendor-specific VPN technologies.
  • Knowledge of SAML-based authentication.
  • Knowledge of other routing protocols such as IS-IS and multiprotocol BGP.
  • Knowledge of IPv4 and IPv6 dual-stack networking.
  • In-depth knowledge of networking protocols and technologies, including TCP/IP, VLANs, OSPF, BGP, MPLS, VPNs, DNS, DHCP, and SNMP.
  • Strong understanding of network security principles and practices, including firewall configuration, intrusion detection and prevention, encryption, and secure remote access.
  • Experience with network hardware and software such as Arista, Cisco, Juniper, Palo Alto, Fortinet, and Aruba; experience with software-defined networking, SD-WAN, and cloud networking is desirable.
  • Ability to mentor junior staff.
  • Attention to detail, organization, and documentation skills, including maintaining accurate network documentation and following standard procedures.
  • Adaptability and willingness to learn new technologies, methodologies, and tools.

About the Company

Sectigo

SSL certificates and automated CLM

Sectigo provides digital certificates and automated certificate lifecycle management (CLM) to secure online communications and devices. Its core product is SSL certificates that verify site identities and enable encrypted connections, while CLM automates issuance, renewal, and revocation of certificates across organizations. The company serves enterprises, small businesses, and government bodies with subscription-based security services, plus private PKI and IoT device security to manage identities for humans and machines at scale. Sectigo differentiates itself through its long-standing expertise in digital identity, a comprehensive suite that combines certificate issuance with automated management and IoT security, and a subscription model that ensures ongoing updates and renewals. Its goal is to help customers protect communications and devices by providing reliable, scalable, and automated PKI and certificate-based security across diverse environments.

Company size
501-1,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Scottsdale, AZ
Founded
1998

Recently Posted Jobs

Explore more opportunities at Sectigo

See more jobs