Fazlur Rahman
What Is a DevOps Engineer? — Quick Answer
A DevOps engineer bridges software development and IT operations. Their job is to make software delivery faster, more reliable, and more automated through CI/CD pipelines, infrastructure-as-code, cloud platforms, and observability. In 2026, a strong DevOps engineer is expected to be a full-stack operator — scripting, containers, Kubernetes, cloud, IaC, and incident response. Salary ranges from ₹6–10 LPA (fresher) to ₹70 LPA – 1 Cr+ (principal).
The DevOps Engineer Role — Day in the Life
A typical DevOps engineer's day is split across these activities:
| Activity | Time Share | Tools |
|---|---|---|
| CI/CD pipeline work | ~25% | Jenkins, GitHub Actions, GitLab CI, CircleCI |
| Infrastructure (IaC + Cloud) | ~25% | Terraform, CloudFormation, AWS, Azure, GCP |
| Container orchestration | ~15% | Kubernetes, Docker, Helm, ArgoCD |
| Observability & on-call | ~15% | Prometheus, Grafana, Datadog, PagerDuty |
| Security & compliance | ~10% | Vault, Trivy, Snyk, SonarQube |
| Meetings & collaboration | ~10% | Slack, JIRA, Confluence |
The role has evolved from "sysadmin with scripting" to "platform engineer with cloud-native expertise."
DevOps Engineer — Core Skills in 2026
| Skill Area | What You Need |
|---|---|
| Linux & OS fundamentals | Command line, file system, processes, networking, systemd |
| Scripting | Bash for automation, Python for tooling |
| Version Control | Git workflows, branching strategies, code review |
| CI/CD | Jenkins, GitHub Actions, GitLab CI, CircleCI |
| Containers | Docker — images, multi-stage builds, networking |
| Orchestration | Kubernetes — pods, deployments, services, Helm |
| Infrastructure as Code | Terraform, Ansible, Pulumi |
| Cloud | One major cloud (AWS / Azure / GCP) in depth |
| Observability | Prometheus, Grafana, ELK, OpenTelemetry |
| Networking | DNS, load balancers, firewalls, VPC, service mesh |
| Security | IAM, secrets management, container scanning, SBOM |
The strongest DevOps engineers have depth in at least 3 of these areas, and breadth across all of them.
DevOps Engineer vs Other Roles
| Role | Focus | Overlap with DevOps |
|---|---|---|
| DevOps Engineer | CI/CD, IaC, cloud, containers, observability | — |
| SRE (Site Reliability Engineer) | Reliability, SLOs, error budgets, incident response | Heavy overlap with DevOps |
| Platform Engineer | Internal developer platforms, golden paths | Strong overlap |
| Cloud Engineer | Cloud infrastructure, networking, security | Overlaps with IaC + cloud |
| Backend / Software Engineer | Application code, APIs, databases | DevOps consumes their output |
| System Administrator | Servers, OS, networks | Foundational; DevOps extends to cloud + automation |
| Security Engineer | AppSec, cloud security, compliance | DevSecOps bridges this |
DevOps Engineer Salary (India, 2026)
| Experience | Salary Range (LPA) |
|---|---|
| Fresher (0–2 years) | ₹6–10 |
| Mid (2–5 years) | ₹12–22 |
| Senior (5–8 years) | ₹25–45 |
| Lead (8–12 years) | ₹40–70 |
| Principal / Director | ₹70 LPA – 1.5 Cr |
Product companies (Google, Microsoft, Amazon) pay 2–3x above IT services for the same level. See the detailed DevOps salary guide for city and skill breakdowns.
How to Become a DevOps Engineer — Roadmap
- Learn Linux and Bash deeply. Use Ubuntu/CentOS as your daily driver. Practice shell scripting.
- Master Git and version control. Branching strategies, PR reviews, Git workflows.
- Get a cloud certification. AWS Cloud Practitioner → AWS Solutions Architect Associate is the most common path.
- Learn containers (Docker). Build images, run containers, write Dockerfiles, multi-stage builds.
- Learn Kubernetes. CKA-certified engineers are in highest demand. Use kubectl, Helm, and ArgoCD.
- Master Terraform. Write reusable modules. Manage state files.
- Build CI/CD pipelines. GitHub Actions or Jenkins — deploy a real project end-to-end.
- Learn observability. Set up Prometheus + Grafana for a personal project.
- Get a CKA certification. The single biggest career booster for DevOps.
- Contribute to open source. CNCF projects (Kubernetes, Argo, Helm) welcome contributors.
DevOps Engineer Certifications Path (2026)
| Stage | Certification | Provider |
|---|---|---|
| Foundations | AWS Cloud Practitioner / Azure Fundamentals | AWS / Microsoft |
| Associate | AWS Solutions Architect Associate / Azure Administrator (AZ-104) | AWS / Microsoft |
| Containers | CKA (Certified Kubernetes Administrator) | CNCF |
| IaC | Terraform Associate | HashiCorp |
| Professional | AWS Solutions Architect Professional / Azure Solutions Architect Expert (AZ-305) | AWS / Microsoft |
| Specialist | AWS DevOps Professional / CKS (Kubernetes Security Specialist) | AWS / CNCF |
DevOps Engineer — Common Interview Topics
For mid-level DevOps roles (3–6 years experience), expect questions on:
- CI/CD: Design a pipeline for a microservices app. Tools choice, deployment strategy (blue/green, canary).
- Kubernetes: Pod stuck in CrashLoopBackOff — troubleshoot. Rolling update vs recreate.
- Terraform: State management, drift detection, module composition.
- Linux: High CPU on a server — steps to diagnose. Memory leak detection.
- AWS/Azure: Design a 3-tier app across multiple AZs. Cost optimisation strategies.
- Networking: DNS resolution failure — trace. Load balancer vs reverse proxy.
- Monitoring: SLO/SLI design. Alert fatigue mitigation.
- Incident response: On-call handling, post-mortems, blameless culture.
Senior roles add system design, mentoring, and cross-team collaboration questions.
DevOps Engineer — Work-Life Balance Reality
DevOps roles often include on-call duty. Here's what to expect:
| Company Type | On-Call Frequency | After-Hours Pager Volume |
|---|---|---|
| Big Tech (Google, Microsoft, Amazon) | 1 week in 4–6 | Low (mature observability) |
| Mid-size product (Razorpay, Cred) | 1 week in 4 | Medium |
| IT services (TCS, Infosys) | Rare; project-dependent | Low to medium |
| Startups | 1 week in 2 (heavy on-call) | High — expect pages |
Work-life balance varies hugely by company. Big-tech and mature product companies invest heavily in observability, which reduces pager noise. Startups are the opposite — every engineer is on-call more often.
Frequently Asked Questions
What does a DevOps engineer actually do?
Builds CI/CD pipelines, manages cloud infrastructure (AWS/Azure/GCP), orchestrates containers (Kubernetes), writes infrastructure-as-code (Terraform), and maintains observability for production systems.
Is DevOps a good career in 2026?
Yes — DevOps is one of the most in-demand tech careers globally. Salary ranges from ₹6–10 LPA (fresher) to ₹70 LPA – 1 Cr+ (principal) in India.
What skills are required to become a DevOps engineer?
Linux, Bash, Git, CI/CD, Docker, Kubernetes, Terraform, one cloud in depth, observability (Prometheus/Grafana), and security basics.
Can a fresher become a DevOps engineer?
Yes — freshers with strong Linux + cloud + scripting skills, AWS Cloud Practitioner or CKA, and a portfolio of CI/CD projects can land DevOps roles.
DevOps engineer vs SRE — what is the difference?
SRE is a specialisation within DevOps focused on reliability, SLOs, error budgets, and incident response. DevOps is broader (CI/CD, IaC, platform engineering).
What certifications should a DevOps engineer pursue?
Start with AWS Cloud Practitioner or Azure Fundamentals. Move to AWS SAA Associate, then CKA. Add Terraform Associate and an AWS DevOps Professional.
Photo: Derrick Coetzee from Berkeley, CA, USA, CC0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/2/2a/Technician_with_laptop_working_on_server_rack_at_NERSC.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original)
