Extranet Networking Engineer

Job Description

Purpose of the role

The Extranet Engineer

is responsible for

delivering

project

‑

based

connectivity initiatives while providing 2nd line support for

day

‑

to

‑

day

extranet operations.

The role focuses on implementing and supporting externally facing network and security connectivity, working to agreed designs and standards within a regulated environment. The engineer will act as a key contributor to

extranet

‑

related

projects, partner onboarding, and operational stability, escalating complex issues appropriately while

maintaining

strong control and service discipline.

Accountabilities

Provide 2nd line support for extranet and external connectivity services

Monitor, troubleshoot, and resolve connectivity, routing,

firewall

, and certificate issues

Support partner onboarding and offboarding, following approved patterns and procedures

Troubleshoot

low

‑

latency

connectivity and performance issues for

latency

‑

sensitive

services

Assist with BGP routing troubleshooting, including route visibility and failover scenarios

Investigate incidents, provide

timely

updates, and contribute to root cause analysis (RCA)

Work closely with Network, Security, and Application teams to resolve

cross

‑

domain

issues

Execute approved changes and maintenance activities

Maintain and follow runbooks, SOPs, and operational documentation

Participate in

on

‑

call

or

shift

‑

based

support (where applicable)

Automation, monitoring enhancements, capacity management, resiliency, business continuity management, front office specific

support

and stakeholder management

​

Assistant Vice President Expectations

To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions.

Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes

If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.

OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes.

Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues.

Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda.

Take ownership for managing risk and strengthening controls in relation to the work done.

Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub-function.

Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy.

Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc).to solve problems creatively and effectively.

Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience.

Influence or convince stakeholders to achieve outcomes.

All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.

Join us as an Extranet Networking Engineer at Barclays, where

you'll

be part of the Specialized Infrastructure team. The Specialised Infrastructure team in Barclays is seeking a skilled Extranet Network Engineer with a strong background in designing and architecting network patterns in low latency and high frequency trading environments that encompass modern cybersecurity and

firewall

standards.

You will play a key role by collaborating and facing off with key Business stakeholders and the internal CSO teams on the design of the Network connectivity standards and patterns to ensure the infrastructure and connectivity that underpins the mission critical trading platform environments of the Bank are both fit for purpose and meet the Bank’s ever-evolving security standards. You will have a direct impact on

optimizing

our trading platforms, reducing project delivery slippage, and enhancing our competitive edge in the market.

To be successful as an Extranet Networking Engineer, you should have:

Solid understanding of TCP/IP networking, routing, and DNS

Working experience with BGP (basic peering, route advertisement, and troubleshooting)

Exposure to

low

‑

latency

networking concepts, including:

Latency, packet loss, jitter awareness

and

Path

selection

and basic performance troubleshooting

Hands

‑

on

experience with

firewall

technologies, including: Policy implementation and troubleshooting, NAT and access control rules,

Experience supporting VPN technologies (IPSec, SSL,

site

‑

to

‑

site), Understanding of TLS/SSL and certificate management, Operational experience on Linux/Unix platforms, A

bility to

analyze

logs, alerts, and basic packet captures,

Familiarity with incident and change management processes

Some other highly valued skills include:

Experience supporting external Client connectivity, Exchange Trading venue connectivity, multicast Market Data feeds.

Experience with CSO/CISO and third-party risk management

CCNP, CCDA, CISSP certifications

Experience with Network routing (BGP) and Precision time (PTP) protocols

Experience with scripting and Ansible automation tooling

Experience with Open-source based monitoring and logging tools such as Prometheus and Telegraf

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.

This role will be based in our Prague office.