Overview
We are seeking a highly skilled and experienced Senior Production Engineer (IC4) to support a critical customer engagement focused on OS modernization, infrastructure hardening, packaging migration, automation, and production reliability.

This role is ideal for an advanced engineering professional capable of leading complex OS modernization efforts, configuration management migrations, and infrastructure hardening initiatives, while also executing hands-on runbooks, automation, incident response, and service onboarding. The successful candidate will work closely with SRE, platform engineering, application development teams, and customer stakeholders to ensure project success from initial planning through final delivery.

Required Qualifications:

5+ years of professional software engineering, production engineering, SRE, or infrastructure engineering experience.
Strong hands-on experience with Python.
Experience leading or supporting OS modernization and large-scale Linux migrations, including RHEL7 to EL8/EL9.
Experience with configuration management tools such as Chef, CINC, Ansible, Puppet, or similar platforms.
Ability to triage, own, and resolve complex production issues and S-bugs.
Experience hardening CI/CD pipelines, observability frameworks, rollout processes, and rollback mechanisms for infrastructure transitions.
Ability to provide Tier-2 production support and incident response in a follow-the-sun operating model.
Experience building, maintaining, and configuring RPM packages.
Experience executing operational runbooks for OS upgrades, configuration changes, and production support.
Experience onboarding services to monitoring and logging stacks.
Strong automation skills with the ability to reduce repetitive operational work.
Strong documentation skills, including technical procedures, runbooks, and migration steps.
Ability to work independently in a fast-moving technical environment with minimal oversight.

Useful Qualifications:

Proven experience planning, implementing, or supporting logging and monitoring tools.
Experience with Chronosphere, Prometheus, Grafana, and/or Splunk.
Experience enabling, supporting, and guiding developers during cloud cutovers and component migrations.
Experience with cloud migration, application modernization, or infrastructure modernization efforts.
Perl scripting experience.
Prior experience in SRE, platform engineering, production engineering, or large-scale infrastructure modernization.

Scope and Solution Expectations:
The contractor will be responsible for supporting the technical transition of legacy systems to modern environments. Key deliverables and operational tasks include:

Migrating and updating configurations across approximately 1,700 systems and virtual machines from RHEL7 to EL8/EL9.
Developing and executing automated runbooks to support OS upgrades, configuration changes, and service onboarding.
Building and maintaining RPM packages to replace or modernize legacy configurations.
Supporting configuration management transitions, including Chef to CINC migrations.
Transitioning monitoring infrastructure to a modern stack, including Chronosphere, Prometheus, Grafana, and Splunk integrations.
Providing Tier-2 operational support and incident response under a follow-the-sun model.
Supporting CI/CD pipeline hardening, release reliability, rollback planning, and production deployment workflows.
Assisting application developers with architecture support, troubleshooting, and migration-related issues during cloud transition phases.
Automating repetitive production operations and documenting technical processes.

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