Senior Site Reliability Engineer

Centene Corp.; Illinois; Hybrid; USD 87,000 - 161,000; Full time

Job summary

Centene Corp. is seeking a senior SRE/Platform Reliability Engineer to lead projects that optimize infrastructure performance, reliability, and security using CI/CD, observability tools, and standardized processes.

You will guide incident handling, runbooks, and post-incident reviews while shaping SDLC improvements. The role requires 4–6 years of related experience, a quantitative or business degree, and experience with Linux, cloud platforms, and monitoring stacks.

Qualifications

• Bachelor's degree in a quantitative or business field or equivalent experience.
• 4–6 years of related experience or equivalent, as indicated by responsibilities.

Responsibilities

• Troubleshoots and resolves complex system problems and deploys new versions.
• Leads projects to build and maintain observability/monitoring for applications and critical KPIs.
• Oversees service monitoring, alerting, and continuous visibility improvements.
• Guides on-call rotation, and optimizes processes for reliability and performance.
• Maintains up-to-date runbooks and documentation for incidents and post-incident reviews.
• Reviews SDLC proposals and decides which to advance for release.
• Communicates complex topics to development teams to drive solutions.

Skills

Linux OS

Observability tools

CI/CD tools

Public cloud

MongoDB

MySQL

SQL

Git repositories

ITSM tools

Education

Bachelor's degree in quantitative or business field

Equivalent experience

Tools

Splunk

Dynatrace

Elastic

New Relic

Prometheus

Grafana

Jenkins

Ansible

CloudBees

OpenShift

AWS

Azure

Gitlab

Bitbucket

Subversion

ServiceNow

Atlassian

BMC

Job description

Position Purpose:

Helps lead projects that are focused on managing and maintaining optimum platform infrastructure performance, reliability, and security using SRE practices, observability tools, manual and automated procedures, documentation, people and processes and continuous delivery(CI/CD) tools, processes, and designs. Develops complex services to automate monitoring activities and provide critical information to facilitate response and resolution of performance and availability issues and incidents. Understands and advocates for standardized and scalable software tools to ensure that systems operate without interruption at optimum performance and leads project teams through out the deployment process. Troubleshoots and analyzes service disruptions to determine the root cause of issues and develop solutions for improved reliability.

Key Details

Must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. Sponsorship and future sponsorship are not available for this opportunity, including employment-based visa types H-1B, L-1, O-1, H-1B1, F-1, J -1, OPT, or CPT.

• Troubleshoots and resolves more complex problems with systems and services and initiates regular deployment of new versions of the systems and their subcomponents
• Leads more complex projects focused on building and maintaining observability/monitoring for the application, monitoring key performance indicators, maintaining alerting, and continuously improving visibility.
• Helps make decisions around periodic system validation and testing, service monitoring, and standing up new services/tools
• Uses knowledge and experience to identify strategies that increase system reliability and performance through on-call rotation and process optimization
• Identifies and implements necessary manual and automated procedures for improved collaborative response in real-time
• Leads lower level Engineers in stress, security, and performance testing
• Resolves issues that come up through support escalation
• Keeps documentation and runbooks up to date to effectively deal with new incidents that might arise
• Leads post incident reviews and documents findings for future informed decision making
• Reviews proposals to optimize Software Development Life Cycle (SDLC) to boost service reliability and makes decisions around which proposals should move forward.
• Communicates complex topics with development teams to investigate and document issues and leads internal team to develop solutions to mitigate them
• Performs other duties as assigned
• Complies with all policies and standards

Education/Experience:

A Bachelor's degree in a quantitative or business field (e.g., statistics, mathematics, engineering, computer science) and Requires 4 – 6 years of related experience.

Or equivalent experience acquired through accomplishments of applicable knowledge, duties, scope and skill reflective of the level of this position.

Technical Skills

• One or more of the following skills are desired.
• Experience with Linux Operating System; Operating Systems; Unix Operating System; Windows Operating System
• Experience with Other: Experience with observability/monitoring tools such as Splunk, Dynatrace, Elastic, New Relic, Prometheus, Grafana
• Experience with Other: enterprise level CICD Tools such as Ansible, Jenkins, Cloudbees, OpenShift
• Experience with Other: working in public cloud platforms like AWS and Azure
• Experience with Programming Tools
• Experience with Other: building and operating highly scaled applications
• Experience with MongoDB; MySQL; Oracle Database Management System (DBMS); PL SQL; SQL (Programming Language)
• Experience with Other: varying code repositories, auto deployments, branching with tools such as Gitlab, Bitbucket, Subversion
• Experience with Other: IT service management tools such as Service Now, Atlassian, BMC

Soft Skills

• Intermediate - Seeks to acquire knowledge in area of specialty
• Intermediate - Ability to identify basic problems and procedural irregularities, collect data, establish facts, and draw valid conclusions
• Intermediate - Ability to work independently
• Intermediate - Demonstrated analytical skills
• Intermediate - Demonstrated project management skills
• Intermediate - Demonstrates a high level of accuracy, even under pressure
• Intermediate - Demonstrates excellent judgment and decision making skills

Pay Range: $87,000.00 - $161,300.00 per year

At Centene, we connect people to the care they need to live healthier lives — and the work you do here makes that impact real every day. You’ll take on meaningful challenges that directly support individuals, families, and communities, building your skills while making healthcare more accessible and effective. It’s work with a purpose you can see, backed by a team committed to improving lives well beyond the workday.

Centene offers a comprehensive benefits package including: competitive pay, health insurance, 401K and stock purchase plans, tuition reimbursement, paid time off plus holidays, and a flexible approach to work with remote, hybrid, field or office work schedules. Actual pay will be adjusted based on an individual's skills, experience, education, and other job-related factors permitted by law, including full-time or part-time status. Total compensation may also include additional forms of incentives. Benefits may be subject to program eligibility.

Centene is an equal opportunity employer that is committed to diversity, and values the ways in which we are different. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other characteristic protected by applicable law.

Qualified applicants with arrest or conviction records will be considered in accordance with the LA County Ordinance and the California Fair Chance Act