Abacus Technology

Hosted IT solutions for financial services

Senior Network Engineer

Network Engineering & AdministrationUpdated on Nov 14

Full-timeRemote in UKNo salary listedRemote

About the Job

Requirements

Strong experience deploying and managing Juniper SRX and EX hardware platforms.
Strong experience deploying and managing Cisco ISR, ASR, Nexus, and Catalyst hardware platforms.
Strong experience supporting next-generation firewall solutions from Palo Alto, Fortinet, and Cisco.
Thorough understanding of the OSI network model, Ethernet, and TCP/IP networking concepts.
Excellent LAN/WAN fault diagnosis and troubleshooting skills, including in-depth knowledge of Spanning Tree, TCP/IP, DHCP, DNS, BGP, OSPF, VPN, IPsec, QoS, NAT, and ACLs.
Experience managing datacentre networks, preferably in a multi-tenant managed service provider environment, and maintaining network performance, identifying issues, and recommending solutions.
Experience with office network design, implementation, monitoring, and troubleshooting.
Experience leading client engagements and suggesting innovative solutions.
Expertise leading technical projects from start to finish, including gathering requirements, planning, execution, and post-implementation review, while completing projects on time and to client satisfaction.
Experience with network monitoring platforms.
Solid understanding of virtualization and network integration with VMware infrastructure.
Flexibility to adapt to changing priorities and project requirements and prioritize multiple tasks effectively.
Strong documentation, interpersonal, and communication skills.
Willingness to learn new technologies and maintain industry knowledge.
Ability to work collaboratively as part of a team.
Eight or more years of networking experience.
Flexibility to work after hours and weekends.
Ability to participate in an on-call rotation.
Ability to work an 8:00/8:30 a.m. to 5:00/5:30 p.m. shift.

Responsibilities

Diagnose and resolve complex issues quickly, proactively identify areas for improvement, and recommend solutions.
Support and maintain network backbone infrastructure across multiple datacentres and geographic regions using dynamic routing protocols such as OSPF and BGP and connectivity media such as DIA, PTP, VPN, multi-gig connectivity, and cross-connects.
Independently lead medium-sized client engagements involving equipment deployment, network design, or refresh tasks.
Provide escalation support for incidents involving client offices, Abacus datacentres, public cloud networks, and remote access systems.
Support and maintain next-generation firewall configurations and troubleshoot datacentre and client environments.
Work directly with high-profile clients to develop solutions that meet their needs and account for critical dependencies to ensure effective problem resolution.
Communicate and collaborate with internal teams to provide solutions and escalation support.
Create and maintain comprehensive documentation for company and client infrastructure, processes, and procedures.
Monitor technology trends and recommend solutions to improve performance, security, and efficiency.
Provide guidance and mentoring to team members.

Desired Qualifications

Experience maintaining network solutions based on Microsoft Azure.
CCNP, JNCIP, or equivalent certification.
A bachelor's degree.
Managed service provider experience.

Job Summary:

As a Senior Network Engineer, you will bring your expertise with Cisco, Juniper, and next generation firewall technologies to the position. You will manage performance and availability of Abacus datacentre networks across the US and UK and participate in improvement projects. You will be part of a team tasked with maintaining a very level of availability and performance for datacentre services. You will also be a point of escalation for support incidents that affect multiple clients. Further, you will serve as a technical lead for internal and client projects, participating in client network builds.

Responsibilities:

Diagnose and resolve complex issues quickly, proactively identify areas for improvement, and recommend solutions.
Support and maintain network backbone infrastructure involving multiple datacenters and geographic regions based on dynamic routing protocols (OSPF, BGP), and various mediums (DIA, PTP, VPN, multi-gig connectivity,
cross-connects)
Work independently to lead medium sized client engagements involving equipment deployment, network design, or refresh tasks.
Provide escalation support for incidents involving client offices, Abacus datacenters, public cloud networks (Azure and AWS), and remote access (VPN, Citrix, etc.).
Support and maintain NGFW firewall configurations with the ability to troubleshoot datacenter and client environments.
Work directly with high profile clients to provide solutions that meet their needs, and account for critical dependencies to ensure seamless and effective resolution to problems.
Maintain a high level of communication and collaboration with internal Abacus teams to provide solutions and escalation support.
Create and maintain comprehensive documentation for Abacus and client infrastructure, processes, and procedures.
Stay abreast of the latest technological trends and recommend solutions to improve performance, security, and efficiency.
Provide guidance and mentoring to other team members to develop their skills.

Skills:

Strong experience deploying and managing Juniper hardware including SRX and EX platforms.
Strong experience deploying and managing Cisco hardware including ISR, ASR, Nexus, and Catalyst platforms.
Strong experience supporting NGFW solutions from Palo Alto, FortiNet, and Cisco.
A thorough understanding of the OSI network model, Ethernet, and TCP/IP networking concepts.
Excellent LAN/WAN fault diagnostic and troubleshooting skills, including in-depth knowledge of Spanning Tree,
TCP/IP, DHCP, DNS, BGP, OSPF, VPN, IPSEC, QoS, NATs and ACLs.
Experience managing datacentre networks, preferrable in a multi-tenant MSP environment. Ability to maintain network performance, identify issues and recommend solutions.
Experience with office network design, implementation, monitoring, and troubleshooting.
Experience leading client engagements with an ability to suggest innovative solutions.
Expertise leading technical projects from start to finish, ensuring they are completed on time, and to the client’s satisfaction including gathering requirements, planning, execution and post-implementation review.
Experience with network monitoring platforms
Solid understanding of virtualization and network integration with VMware infrastructure.
Experience maintaining network solutions based on Azure’s platform preferred.
Flexible and able to adapt to changing priorities and project requirements. Ability to effectively prioritize when faced with multiple tasks.
Strong and detailed documentation, interpersonal, and communications skills.
Willingness to learn new technologies and maintain industry knowledge.
Ability to work with and be a part of collaborative team environment.

Qualifications:

8 + years of Networking experience
CCNP, JNCIP or equivalent certification preferred
Bachelors degree a plus
MSP experience a plus
Flexibility for after hours and weekend work
Ability to work on call rotation
Ability to work 8/8.30am - 5/5.30pm shift.

The benefits package consists of:

Generous annual leave entitlement plus bank holidays (pro-rata if part-time working hours apply)
Gym discount
Life insurance
Comprehensive travel insurance for you and your family in line with scheme rules
Confidential well-being and counselling support
Competitive Compensation
Contributory pension scheme
Company events
Private Medical and Dental Insurance

Work Authorization & Sponsorship

Candidates must be legally authorized to work in the country in which the position is based. At this time, we are unable to provide employment-based visa sponsorship for this position, now or in the future.

Use of Artificial Intelligence in Hiring

We may use artificial intelligence (AI) and other technology-assisted tools to support certain aspects of our recruiting and hiring process. These tools may assist with activities such as organizing, reviewing, or summarizing candidate information. AI-generated outputs or recommendations do not replace human judgment, and our hiring team maintains human review and oversight of employment decisions.

About the Company

Abacus Technology

Hosted IT solutions for financial services

Abacus Group, LLC provides hosted IT solutions tailored for alternative investment firms. Its flagship Abacus Cloud platform delivers IT as a service, letting investment managers access cybersecurity, storage, compliance, and other technology needs on demand through a managed, scalable enterprise cloud. The service pairs a financial-services focus with an end-to-end technology stack hosted in a secure cloud, simplifying IT management for firms that must meet strict regulatory requirements. Differentiators include industry-specific capabilities, scalable on-demand resources, and a proven, award-winning platform supported by offices across major U.S. cities and London. The goal is to give financial-services firms a ready-to-use, compliant, and scalable technology platform so they can focus on investment activities rather than IT management.

Company size: 501-1,000
Company stage: Not listed
Total funding: Not listed
Headquarters: New York City, United States
Founded: 2008

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