Sr Systems Engineer - Linux

Keka Technologies Private Limited; Gurugram District; On-site; INR 2,600,000 - 4,200,000; Full time

Job summary

OculusIT is seeking an experienced L3 Linux & Cloud Engineer to design, support, and optimize enterprise Linux and cloud infrastructure across AWS and OCI. This role serves as the highest escalation point for complex incidents, ensuring stability, performance, security, and observability.

You will design, deploy, and support Linux environments, troubleshoot advanced issues, implement OS hardening, manage AWS and OCI services, and lead cloud optimization and automation efforts with Bash/Python.

Qualifications

• Bachelor's degree in CS/IT/Engineering or related field.
• Hands-on Linux administration in RHEL/Oracle Linux/Ubuntu.
• Experience managing AWS and Oracle Cloud Infrastructure (OCI).
• Proven L3 incident management experience and RCA ownership.

Responsibilities

• Design, deploy, and support enterprise Linux environments (RHEL, Oracle Linux, Ubuntu).
• Troubleshoot CPU, memory, disk, filesystem and network issues in production.
• Implement OS hardening, patching, and vulnerability remediation.
• Administer AWS services including EC2, VPC, IAM, S3, EBS, ELB, CloudWatch.
• Manage OCI services including Compute, VCN, Storage, and IAM.
• Lead cloud optimization, migration, and architecture improvement initiatives.
• Act as L3 escalation point for critical Linux and cloud incidents (P1/P2).
• Develop automation scripts with Bash (Python preferred) and support IaC initiatives.

Skills

Linux administration

RHEL/Oracle Linux/Ubuntu

AWS & OCI

Zabbix monitoring

Troubleshooting

Incident management

Security hardening

Enterprise/MSP experience

Education

Bachelor’s degree in Computer Science/IT/Engineering

Tools

Terraform

CloudFormation

OCI Resource Manager

Zabbix

Job description

At OculusIT, we help colleges and universities use technology to operate with confidence, serve their communities, and build a better future. Our work supports the systems higher education depends on every day — from cybersecurity, cloud, and infrastructure to ERP, data, and managed services.

We’re looking for people who want their work to matter, who take ownership, solve problems with clarity, and bring a team-first mindset to complex technology environments. If you’re energized by meaningful work, continuous learning, and serving institutions with purpose, you’ll find a strong fit here.

As a global organization, our values guide how we work:

• Trust is Built Through Action — We communicate openly, follow through, and earn trust through reliability.
• We Own What We Do — We take responsibility for outcomes and stay with problems until they’re solved.
• Distill Clarity from Complexity — We make complicated challenges easier to understand, decide, and act on.
• The Power of We — We collaborate across teams, roles, and perspectives to create better solutions.
• Stay Ahead Always — We stay curious, keep learning, and apply new ideas to improve how we serve.
• Work With Empathy — We listen, respect context, and remember there are people behind every system and decision.

If this sounds like the way you want to work, we’d be excited to meet you.

Job Summary:

We are seeking an experienced L3 Linux & Cloud Engineer responsible for designing, supporting, and optimizing enterprise Linux and cloud infrastructure across AWS and Oracle Cloud Infrastructure (OCI). This role serves as the highest escalation point for complex incidents, ensuring system stability, performance, security, and observability through Zabbix and automation-driven operations.

• Design, deploy, and support enterprise Linux environments (RHEL, Oracle Linux, Ubuntu).
• Troubleshoot advanced system issues related to CPU, memory, disk, filesystem, and network performance.
• Implement OS hardening, patching, and vulnerability remediation across environments.
• Administer AWS services including EC2, VPC, IAM, S3, EBS, ELB, and CloudWatch.
• Manage OCI services including Compute, VCN, Storage, and IAM.
• Lead cloud optimization, migration, and architecture improvement initiatives.
• Act as L3 escalation point for critical Linux and cloud incidents (P1/P2).
• Perform end-to-end root cause analysis (RCA) and implement preventive solutions.
• Design, implement, and optimize monitoring solutions using Zabbix.
• Develop Bash scripts for automation and operational efficiency; Python preferred.
• Support Infrastructure as Code initiatives (Terraform, CloudFormation, OCI Resource Manager).
• Maintain security compliance and enforce Linux hardening standards.
• Create SOPs, runbooks, and technical documentation.
• Mentor L1/L2 engineers and drive operational best practices.

Required Skills:

• Experience in Linux and cloud infrastructure engineering.
• Strong hands-on expertise in Linux (RHEL, Oracle Linux, Ubuntu).
• Experience in AWS and OCI cloud environments.
• Strong expertise in Zabbix monitoring (setup, tuning, dashboards, triggers).
• Advanced troubleshooting of enterprise production systems.
• Experience in incident management and RCA ownership.
• Exposure to security hardening and vulnerability management.
• Experience working in enterprise or MSP environments.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field.
• Experience in Linux and cloud infrastructure engineering roles.
• Strong hands-on expertise in Linux administration (RHEL, Oracle Linux, Ubuntu).
• Proven experience in managing and supporting AWS and Oracle Cloud Infrastructure (OCI) environments.
• Strong experience in L3 incident management, escalation handling, and end-to-end RCA ownership.
• Expertise in enterprise monitoring tools, especially Zabbix (setup, tuning, dashboards, alerts, and scaling).
• Strong Bash scripting skills for automation and operational tasks (mandatory).
• Experience in OS hardening, patching, and vulnerability remediation in production environments.