Application Operations Engineer

Fiserv•Berkeley Heights, NJ

3d•Onsite

About The Position

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Application Operations Engineer You will serve as an Application Operations Engineer supporting the technology that powers critical, customer-facing services with a primary focus on the Amazon Web Services (AWS) cloud ecosystem. You will work cross-functionally with engineering, product, and support teams to automate deployments, maintain resilient production environments, and respond to incidents. Your work ensures platform reliability, performance, and continuous improvement for large-scale digital products.

Requirements

6+ years of experience in application operations, site reliability engineering, or cloud infrastructure engineering supporting production services in Amazon Web Services (AWS) environments.
5+ years of hands-on experience with AWS services and networking, including EKS (Elastic Kubernetes Service), EC2, Auto Scaling, Load Balancers, VPC, Subnets, Route Tables, Security Groups, S3, IAM, CloudWatch, RDS, DynamoDB, and PostgreSQL; experience writing and optimizing SQL queries for production databases.
4+ years of experience implementing Infrastructure as Code (IaC) using Terraform or AWS CloudFormation to provision and manage cloud infrastructure.
3+ years of experience managing Kubernetes clusters and container tooling (e.g., Docker), including cluster upgrades, scaling, and troubleshooting.
Experience using observability and monitoring tools such as Splunk, Dynatrace, and CloudWatch for alerting, incident response, and performance tuning; experience managing TLS certificates and OpenSSL for secure communications.
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent combination of education, related experience and/or military experience.
You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.

Nice To Haves

Experience with CI/CD tools such as AWS CodePipeline, Azure DevOps, or GitLab and familiarity with automated release pipelines.
Linux system administration skills, including troubleshooting and scripting (Bash), and experience configuring web servers and reverse proxies (Nginx, Apache).
Strong understanding of routing and networking concepts and experience working with third-party vendors in production support scenarios.

Responsibilities

Provide hands-on support for production environments, including software installation and upgrades, patch deployment, configuration and security management, and release deployments.
Manage and upgrade Amazon Elastic Kubernetes Service (EKS) clusters and containerized workloads; perform cluster maintenance, scaling, and troubleshooting.
Implement tooling and automation for build pipelines, configuration management, continuous integration/continuous delivery (CI/CD), deployments, and application monitoring.
Maintain Infrastructure as Code (IaC) to provision, configure, and scale cloud environments; evolve IaC to improve deployment speed, reliability, and consistency.
Act as a hands-on technical resource during production incidents and outages, diagnose and resolve issues across environments, and recommend performance and capacity improvements.
Participate in capacity planning, performance tuning, and stabilization of application infrastructure; integrate key performance indicators (KPIs) into the monitoring framework.
Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Benefits

Fuel Your Life program to support your physical, financial, social, and emotional well-being.
Paid holidays and generous time away policies.
No-cost mental health support through Employee Assistance Programs.
Living Proof program to recognize your peers’ extra effort with points redeemable for .rewards.
Eight Employee Resource Groups to foster a collaborative culture and expand your network.
Unparalleled professional growth with training, development, and internal mobility opportunities.
Medical, dental, vision, life, and disability insurance options available from day one.
Retirement planning and discounted shares with the Employee Stock Purchase Plan.
Tuition assistance and reimbursement program.
Paid parental, caregiver, and military leave.