Deep expertise in UNIX platforms including Solaris (10/11 with Zones, LDOMs), AIX 7.x (VIOS, NPIV), Ubuntu, and RHEL 5–10 on physical, virtual, and hybrid platforms
Experience with HA solutions such as Pacemaker, VCS, HACMP, and RH Cluster Suite
Proficiency in automation tools including Ansible, AAP, AWX, CFEngine, and scripting (bash/ksh/Python)
Knowledge of GitHub for source control, peer-reviewed pipelines, and CI/CD workflows (e.g., Jenkins, GitHub Actions)
Expertise in security hardening and compliance (CIS Benchmarks, NIST, FFIEC, ISO 27001), including firewall rules, kernel parameters, SELinux, PAM, LDAP, CyberArk, Conjur
Experience with vulnerability scanning tools (Qualys, Nessus) and remediation
Skills in enterprise identity management (LDAP, RHDS, Kerberos, SSSD) and access controls (sudo, RBAC)
Familiarity with monitoring tools (Dynatrace, vROps) and logging/SIEM (Splunk, QRadar)
Knowledge of VMware (vSphere/vSAN/vXrail) and hybrid cloud strategies
SRE mindset with focus on infrastructure as code, availability, observability, and automation
Ability to participate in on-call rotations, DR testing, RCA, and incident response
Responsibilities
Design, secure, build, and maintain resilient UNIX environments across Solaris, AIX, Ubuntu, and RHEL
Own OS lifecycle strategy including patching, upgrades, security baselines, and hardware refresh planning
Maintain HA solutions and performance-tuned enterprise systems
Automate provisioning, compliance checks, and config enforcement using Ansible, AAP, AWX, CFEngine, and scripting
Use GitHub for source control, peer-reviewed automation pipelines, change tracking, and documentation versioning
Contribute to CI/CD workflows for infrastructure as code deployments and integrate with tools like ServiceNow, Jenkins, or GitHub Actions
Ensure UNIX systems are hardened and compliant with security frameworks; manage OS-level security policies
Integrate host systems with PAM, LDAP, CyberArk, and Conjur for identity and privileged access management
Support audit, forensic, and security event investigations; review and remediate vulnerabilities
Contribute to incident response planning, patching SLAs, compliance reporting, and logging/audit trails/SIEM integrations
Integrate UNIX systems with enterprise identity management using LDAP, RHDS, Kerberos, PAM, and SSSD
Implement and enforce secure access controls, sudo policies, and RBAC schemes; collaborate with IAM and InfoSec teams
Integrate systems with monitoring tools like Dynatrace, vROps; support alerting, auto-remediation, and telemetry
Participate in on-call rotations, DR testing, and RCA for high-impact incidents
Support UNIX workloads on VMware and prepare platforms for future cloud integration; assist with cloud-readiness assessments