Senior Network Engineer

United States Digital Space LLC; Belfast City District; On-site; GBP 65,000 - 85,000; Full time

Job summary

United States Digital Space LLC is seeking a Senior Network Engineer to support our global network infrastructure from Belfast. You will handle network administration, device maintenance, and collaborate with vendors to ensure reliable production and development networks.

The ideal candidate has 5+ years in hosted services networks, a degree in a related field, and hands-on experience with Juniper, Cisco, Arista, Fortinet or Check Point firewalls.

Qualifications

• 5+ years of experience in hosted services infrastructure networks.
• Degree in Computer Science, Software or Electronic Engineering or related discipline.
• Strong experience installing, configuring and maintaining network services and devices.
• Experience with routing protocols including BGP/OSPF and subnetting, VLANs.
• Hands-on with IPSec VPNs and GRE tunneling; solid network security practices.

Responsibilities

• Provide day-to-day support to the Network Engineering team on production, corporate and development networks.
• Perform network administration and maintain security devices to allow focus on design and deployment.
• Collaborate with vendors to troubleshoot, resolve issues, or roll out changes to hosted environments.
• Plan and implement network changes to support business decisions.

Skills

5+ years experience

Network security

IPSec VPNs

GRE tunneling

Subnetting

VLANs

BGP/OSPF

Education

Degree in Computer Science or related

Tools

Juniper

Cisco

Arista

Fortinet

Check Point

Juniper SRX

Cisco ASA

Job description

About the company

the company is a global leader in intelligent market data, advanced trading systems, and future-proof technology. the company serves as a trusted partner to the complete ecosystem of the buy-side, sell-side, exchanges, and financial services technology firms around the globe. Headquartered in St. Louis with regional offices in North America, the UK/Europe and Asia Pacific, the company has the global footprint to deliver world-class support and managed services to its customer base of elite financial market participants.

Job Summary

The Senior Network Engineer will play a crucial role in supporting the company’s network infrastructure. This role involves network administration, device maintenance, and collaboration with vendors to ensure the smooth operation of network services. The ideal candidate should possess a strong technical background, extensive experience with network equipment and services, and the ability to work effectively in a fast-paced environment while contributing to project planning and execution.

Responsibilities

• Provide day-to-day support & assistance to the company Network Engineering team on network issues across business critical the company Production, Corporate and Development networks
• Perform day-to-day network administration and maintain all network and security devices and systems to allow the company Network Engineering team to concentrate on design and execution of network management handover for SuperFeed, DMA and Metro products to relevant vendors
• Work with vendors providing network support to troubleshoot and resolve issues or roll out changes to hosted production environments
• Work with the company Network Engineers to plan and implement network changes to support business decisions

Our Ideal Candidate Has:

• Solid technical background with 5+ years’ experience in a hosted services environment including infrastructure networks, hardware and telecommunications
• Degree in Computer Science, Software or Electronic Engineering or other related discipline
• Strong experience in installing, configuring and maintaining network services, equipment and devices
• Proven experience with Juniper, Cisco, Arista switching
• Experience with Mellanox Infiband switches a plus
• Multicast experience desired
• Experience with RoCE a plus
• Experience with routing protocols including but not limited to BGP / OSPF
• Good understanding of subnetting, VLANs, VLAN tagging, NAT
• Strong experience configuring IPSec VPNs, GRE tunnelling
• Demonstrate good network security practices
• Ability to collaborate with stakeholders across a wide variety of teams in a fast-paced environment
• Ability to gather relevant information systematically to troubleshoot and resolve issues
• Capable of working effectively and efficiently in a team environment
• Contribute to technical aspects of project delivery, planning and risk management
• Effective communication, interpersonal and organizational skills
• Datacenter experience including racking and patching of devices
• Knowledge and experience configuring and maintaining Fortinet, Checkpoint, Juniper SRX, and Cisco ASA firewalls

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