Concentra · 1 day ago
Supervisor, Linux & Unix Systems Engineer
Addison, TX
Full-time
Onsite
Senior Level
7+ years expConcentra is recognized as the nation’s leading occupational health care company, dedicated to improving the health of America’s workforce. The Linux & Unix Systems Engineering Supervisor leads a small team of engineers, balancing people leadership with hands-on engineering to ensure reliability, security, and operational excellence across enterprise systems.
Health CareHospitalMedicalPrimary and Urgent CareTherapeuticsWellness
Responsibilities
Supervise 2–4 engineers (Linux/Unix Systems Engineer I–III); conduct regular 1:1s, coaching, and performance feedback
Plan and assign work based on skill level; set team goals, priorities, and deliverable timelines
Lead hiring/onboarding for the team; create individualized development plans (e.g., RHCSA →RHCE → RHCA)
Mentor Engineer I in foundational skills; guide Engineer II in project ownership; review Engineer III designs as technical lead
Own operational KPIs: patch & hardening compliance, SLA adherence, backup verification, configuration drift, and automation coverage
Manage on-call readiness, rotation, and escalation paths; lead post-incident RCAs and drive corrective actions
Ensure audit readiness (SOX, HIPAA, PCI) and coordinate evidence with Security/Compliance
Oversee and participate in design and deployment of RHEL and Solaris platforms across physical and virtualized environments (AWS; Azure; VMware; LDOMs/Zones)
Support container development and administration (such as Docker, Podman; Kubernetes/OpenShift environments where applicable)
Guide HA cluster architectures (e.g., Pacemaker/Corosync) and enterprise storage (LVM, ZFS, Stratis, Ceph Storage, or other enterprise storage technologies)
Review and approve Configuration-as-Code (e.g., Ansible) and Infrastructure-as-Code (e.g., Terraform) patterns, author critical modules or reference templates when necessary
Oversee standard OS images (Kickstart, cloud-init) and repository/lifecycle management; ensure consistency across environments
Direct advanced troubleshooting during complex outages; partner with Principal/Staff engineers for architectural escalations
Enforce OS hardening standards (DISA STIG, CIS benchmarks) and vulnerability remediation processes
Maintain platform standards, SOPs, and runbooks; ensure documentation quality and currency
Ensure change control quality and provide approvals for production changes
Validate platform readiness for releases and new deployments
Represent the team in CAB and Architecture Review Board; communicate impacts/risks to stakeholders
Coordinate work with DevOps, Security, DBAs, Virtual Infrastructure, Networking, and Application Development teams
Provide input on tooling, licensing, and training budgets relevant to Linux/Unix operations
Qualification
Required
Bachelor's Degree in Computer Engineering, Computer Science, Information Technology from an accredited college or university
7+ years of relevant Linux/Unix systems engineering experience (RHEL/Solaris)
1–3 years of team leadership in a technical capacity (lead engineer, supervisor, or similar), preferably in small teams
Mastery of RHEL 8/9; strong Solaris 11 experience (Zones, LDOMs)
Proven experience with multi-site operations, virtualization (VMware/KVM), and identity integration (SSSD/AD/LDAP/Kerberos)
Demonstrated expertise of Configuration-as-Code (Cac), automation (e.g., Ansible) and IaC (Terraform)
Experience supporting audits (SOX, HIPAA, PCI) and driving RCAs and continuous improvement initiatives
Familiarity with observability platforms (e.g., Prometheus, Splunk, Dynatrace, Grafana, Datadog)
Red Hat Certified Engineer (RHCE)
Service Mentality, Attention to Detail, Sense of Urgency, Initiative, Flexibility
Coaches multi-level engineers; provides clear direction; communicates technical issues to non-experts; facilitates cross-team alignment
Prioritizes workload; manages SLAs and KPIs; enforces standards and documentation quality; ensures on-call readiness
Reviews/approves designs and automation patterns; contributes hands-on to complex builds and escalations; maintains strong security posture
Leads CAB/ARB participation; supports audits; manages change control; drives continuous improvement and modernization
Preferred
Red Hat Certified Architect (RHCA)
ITIL Foundation helpful
Benefits
401(k) Retirement Plan with Employer Match
Medical, Vision, Prescription, Telehealth, & Dental Plans
Life & Disability Insurance
Paid Time Off
Colleague Referral Bonus Program
Tuition Reimbursement
Commuter Benefits
Dependent Care Spending Account
Employee Discounts
Company
Concentra
Concentra is a health care center that offers occupational medicine, urgent care, physical therapy, and drug screening services.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2024-07-24IPO
2015-03-23Acquired
Leadership Team
Christopher Axberg
Senior Director Digital Marketing
Recent News
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