Principal Systems Engineer (FIX protocol and trading application support experience needed)

Location: Dublin

The Role

As a Principal Systems Engineer within the Systems Engineering team, you will have the opportunity to expand your expertise while collaborating with engineers across Fidelity in a dynamic and engaging environment. In this role, you will partner closely with engineering teams to support production deployments and with business teams to coordinate incident response activities. You will also work alongside enterprise infrastructure teams to maintain and support both on‑premises non‑production and production environments. As a senior team member, you will provide mentorship and help develop the technical capabilities of fellow engineers.

The Expertise and Skills You Bring

• Front‑office trading application support experience is mandatory requirement

• Practical working experience with the FIX protocol is a mandatory requirement

• Practical working experience with AWS cloud platform is preferred

• Practical experience in ITIL frameworks and processes is preferred

• We are looking for 8+ years of relevant experience

• Bachelor's degree in computer science or related field required

• Experience deploying applications on-prem and on-cloud infrastructure

• Plan and coordinate upgrades and patches for on-prem infrastructure

• Seek out opportunities to develop and improve existing automation processes

• Expertise in developing CI/CD pipelines using Jenkins, is a plus

• Understanding of networking infrastructure and protocols, is a plus

• Experience with logging and monitoring systems such as Datadog, Splunk

• Experience with ServiceNow, is a plus

·         Scripting experience in Python and shell, is plus

·         Support on-call duties, including weekends

·         Passionate and committed to learning new things

• Solid analytical and communication skills and the ability to handle multiple tasks at any given time

• Strong organization skills and attention to details

The value you deliver

As a Principal Systems Engineer in the Systems Engineering team, you’ll have the chance to elevate your expertise and collaborate with talented engineers across Fidelity in a fast‑paced, inspiring environment. You’ll partner closely with engineering teams to drive successful production deployments and work with business teams to lead and coordinate incident response efforts. You’ll also engage with enterprise infrastructure teams to support and enhance on‑premises non‑production and production environments. As a senior team member, you’ll play a key role in mentoring engineers and empowering them to grow their technical strengths. 

The Team

Fidelity Digital Assets, a Fidelity Investments Company, is developing a full-service enterprise-grade platform for trading, custodian and other services for digital assets, such as Bitcoin, Ethereum, Solana and Litecoin

Fidelity Digital Assets embraces an entrepreneurial culture and startup mentality while serving as one of the most innovative business units within Fidelity Investments. Our global, diverse team of 450+ forward-thinking professionals lead with agility and creativity to build solutions that bridge the gap between traditional institutional investors and their exposure to digital assets. The firm’s tenure and experience across multiple business lines present our employees with unprecedented access to knowledge, technology, and resources that help our team reshape the future of finance.

Within Fidelity Digital Assets, the Systems engineering team is responsible for infrastructure solutions, automation, application deployments and production support