Role: SRE with Linux
Location: Berkeley Heights, NJ
Contract
Job Summary: We are seeking an experienced Linux and Windows System Administrator with strong hands-on experience in containerized platforms (Kubernetes, Pivotal Cloud Foundry), databases (My environments, participate in incident response, and ensure platform stability, security, and compliance.
Key Responsibilities:
Operating Systems & Platform Support
- Administer, support, and troubleshoot Linux (RHEL) and Windows Server environments in Production, DR, and Non-Prod.
- Perform OS-level monitoring and performance tuning in line with enterprise security guidelines.
Container & Cloud Platforms
- Provide operational support for Kubernetes clusters, including:
- Cluster access management
- Certificate updates on ingress/controllers
Support Pivotal Cloud Foundry (PCF) environments:
- App container issues
- Platform availability and scaling coordination
- Work closely with application and Dev teams for deployments and incident resolution.
Database Support (Infrastructure-level)
Support MySQL databases:
- Basic administration, connectivity troubleshooting
- Backup/restore support
- SSL/TLS configuration and validation
Support MongoDB at infrastructure and certificate level:
- MongoDB certificate validation and renewal
- Coordination with DBAs for schema or data operations
SSL Certificate Management
- Manage SSL/TLS certificate lifecycle across Linux, Windows, Kubernetes, and database platforms
- CSR generation and validation
- Certificate renewal, deployment, and verification
- Key strength enforcement (2048/4096-bit as required)
- Experience handling client-owned certificates, including reuse of private keys when required.
Incident & Change Management
- Participate in Major Incident (P3/P4) calls, provide technical triage and remediation.
- Execute changes through format change management processes.
- Provide post-incident documentation and validation.
- Required Skills & Experience
Required Skills & Experience:
Mandatory:
- 8+ years of experience as a Linux/Windows System Administrator
- Strong hands-on experience with:
- Linux (RHEL)
- Windows Server (2016/2019 or later)
- Kubernetes (enterprise clusters)
- Pivotal Cloud Foundry (PCF)
Experience supporting:
- MySQL
- MongoDB
- Proven experience with SSL/TLS certificate renewal and deployment
- Strong troubleshooting skills in production environments
Technical Skills:
- OpenSSL, key formats (PEM, PFX, JKS)
- Certificate chains, CA bundles, private key management
- Basic scripting (Shell, PowerShell, Ansible preferred)
- Monitoring and logging tools (Splunk or similar)
Understanding of security hardening and audit controls
Never miss an opportunity! Create an alert based on the job you applied for.