Application Support Engineer (SRE)

Fidelity National Information Services•Jacksonville, FL

61d•Hybrid

About The Position

FIS Cloud SRE team is looking for a highly skilled and motivated Site Reliability Engineer/Application Support Engineer to join our dynamic team. You'll be responsible for ensuring the scalability, performance, and reliability of our mission-critical, public-facing applications running in a 24/7 Linux environment. This role is ideal for an SRE expert who thrives in high-availability ecosystems and is driven by ownership, accountability, and continuous improvement.

Requirements

Proven experience in application support or SRE roles, with demonstrated leadership capabilities.
Strong proficiency in Linux systems administration and troubleshooting.
Expertise in automation and scripting using Python, Bash, or similar languages.
Deep understanding of enterprise IT architecture-networking, databases, messaging systems, RBAC, etc.
Familiarity with microservices and internet technologies (e.g., APIs, HTTP, encryption, XML).
Excellent problem-solving, communication, and collaboration skills.
A mindset focused on performance, scalability, resiliency, and reliability.
Bachelor's degree in Computer Science, Engineering, or equivalent experience.

Nice To Haves

Experience with observability tools (Dynatrace, DataDog, Splunk, etc.).
Knowledge of networking and security best practices.
Knowledge of FIS products and services a plus but not required
Knowledge of the Financial Industry welcome.

Responsibilities

Ensure reliability and scalability of software platforms with a focus on 99.99%+ uptime.
Design and implement automation to eliminate manual toil and improve operational efficiency.
Monitor and optimize application performance, proactively identifying and resolving issues.
Collaborate with development and infrastructure teams to embed reliability into every stage of the software lifecycle.
Lead incident response and root cause analysis, driving long-term solutions and resilience.
Build and maintain observability and APM tools to ensure deep visibility into system health.
Champion security and compliance, aligning with frameworks such as PCI, NIST, and CIS.
Document processes and architecture to support knowledge sharing and operational excellence.
Participate in on-call rotations, providing expert support for critical systems.
Work on Azure cloud