At Critical Start, we’re on a mission to make everyone a valued member of a winning team, united by an inspiring purpose: shaping the future of cybersecurity. Since 2012, we’ve been dedicated to safeguarding organizations from cyberattacks, preparing for evolving threats, and earning recognition for our innovative contributions to the industry.

We thrive in an agile, collaborative environment that fosters creativity and action. At Critical Start, innovation drives everything we do. We pioneered the first MOBILESOC app for on-the-go threat detection and response, automated alert resolutions to maximize efficiency, and cut alert investigation time by 99.3% - transforming the way cybersecurity teams work. Our team and customers genuinely value the impact we make every day.

Want to hear more from our team? Watch this video to gain insights into life at Critical Start or check out our Glassdoor reviews for an inside look.

What can we offer you?

• A chance to make an impact every day—whether protecting customers or contributing to a greater mission.
• Collaboration with talented, supportive teammates who value accountability and growth.
• A commitment to continuous improvement, striving for excellence, and breaking past mediocrity.
• A culture of learning, innovation, and inclusivity, where every idea matters.
• Recognition for being at the forefront of the industry—we’ve received accolades that prove we’re doing something right.
• A supportive environment where you belong and your contributions truly matter, as one team member put it: “Every day presents new challenges and opportunities for growth, and the culture is unlike any other.

We are seeking a Sr. DevOps Engineer to join the Critical Start Technologies Private Ltd. team, operating under the Critical Start umbrella, for our India operations. We are seeking a Senior DevOps Engineer with 5+ years of deep, hands-on experience in designing and managing scalable, secure, and high-performing infrastructure using modern DevOps practices.

The ideal candidate is a thought leader who combines strong technical expertise in AWS, Terraform, CI/CD, and container orchestration with a passion for automation, reliability, and mentoring others. You thrive in fast-paced environments, proactively drive improvements, and bring a strategic mindset to infrastructure design and operations. You’ve helped scale systems across multiple teams or business units and are trusted to set standards and influence technical direction across the engineering organization.

As a Senior DevOps Engineer, you will lead the design, implementation, and optimization of cloud infrastructure and automation strategies. You’ll collaborate cross-functionally to guide the delivery of production-ready systems that are reliable, secure, and scalable. Your responsibilities include:

• Architecting complex infrastructure using Terraform (modular, reusable, and tested), and implementing advanced IaC principles (DRY, parameterization, GitOps).
• Defining and driving DevOps strategy across environments – staging, production, blue/green deployments, auto-scaling, and rollback mechanisms.
• Designing scalable CI/CD pipelines using GitHub Actions, CodePipeline, or other tools for multiple teams and services.
• Leading incident management and root cause analysis with thorough documentation and remediation planning.
• Collaborating with engineering, security, and product teams to integrate DevSecOps best practices.
• Monitoring infrastructure performance and proactively identifying areas for cost optimization, resilience, and scalability.
• Coaching and mentoring junior and mid-level DevOps engineers, conducting code and design reviews, and establishing best practices.
• Staying current with the latest industry trends and tools, and recommending adoption where relevant.

Required Qualifications: 

• 6+ years of relevant experience in DevOps, SRE, or Cloud Infrastructure roles.
• Proven expertise in AWS (multi-account architecture, IAM strategy, ECS/Fargate, EC2, VPC, ALB/NLB, RDS, S3, CloudWatch, Secrets Manager, etc.).
• Advanced proficiency in Terraform, including custom providers, modules, remote state, and secure secret management.
• Strong experience in building multi-stage CI/CD pipelines, release workflows, and integration with testing and security gates.
• Proficiency in containerization (Docker), and orchestration (ECS, EKS, or Kubernetes).
• Excellent scripting and automation skills using Python, Bash, or Go.
• Knowledge of observability tooling (CloudWatch, Prometheus, New Relic, Grafana, Sentry.io) and proactive alerting mechanisms.
• Strong grasp of networking fundamentals, security best practices, IAM policies, and cloud compliance standards.
• Experience with infrastructure testing and compliance-as-code using tools like Terratest, InSpec, or tfsec.
• Familiarity with Zero Trust, least privilege, and modern cloud security models.
• Exceptional troubleshooting skills across systems, applications, and networks.
• Ability to document architecture, decisions, and playbooks clearly and concisely.
• Experience mentoring and technically leading other DevOps team members.
• Bachelor’s or Master’s degree in Computer Science or a related field.

Preferred Qualifications: 

• Additional scripting experience is a strong plus.
• AWS certifications (e.g., Solutions Architect, DevOps Engineer – Professional)
• Experience in a regulated environment (e.g., SOC2, HIPAA, ISO 27001)
• Knowledge of service mesh, API gateways, or hybrid/multi-cloud deployments
• Contributions to open-source DevOps/IaC tools or internal reusable libraries

Imagine a dynamic, enjoyable, and rewarding work environment. We are professionals, and the work we do holds immense significance, like saving our customers from potential disasters. However, we believe in not taking ourselves too seriously. 

Prefer a casual dress code every day? No problem, as we find comfort enhances our thinking. 

What does our Compensation and Benefits package entail? 

• Competitive salary  
• Statuary PTO (Paid Time Off) policy 
• Depending on the role, you may work in the office, remotely, or adopt a hybrid work model.  

We prioritize your privacy and security. Please note that Critical Start will never request financial information or sensitive personal data during the interview process. If you encounter any suspicious requests, do not respond and contact us directly at recruiting@criticalstart.com. Thank you for helping us maintain a safe and trustworthy hiring experience.

Critical Start welcomes people from all backgrounds and walks of life. One of our core values is to “Do what’s best for our employees,” and that starts with the hiring process by finding the best candidates and providing an environment that upholds equal employment opportunities for all employees and applicants, strictly prohibiting any form of discrimination or harassment based on race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. 

This policy encompasses all aspects of employment, including recruitment, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. 

Mental and Physical Requirements 

It's important to note that specific physical and mental requirements may vary depending on the nature of the office job, organization, and individual responsibilities. 

Physical:  

• Stationary position for extended periods of time. 
• Constantly operate a computer.  
• Occasionally you may be required to move equipment or other items up to 20 lbs. 
• The ability to communicate information and ideas so others will understand. Must be able to exchange accurate information in these situations. 

Mental:  

• Must be able to apply established protocols in a timely manner. 
• Make timely decisions in the context of workflow. 
• Ability to complete tasks and perform in situations requiring speed deadlines, or productivity quota. 
• Ability to work effectively and efficiently in high stress situations. 
• Ability to simultaneously address multiple complex problems. 

How to Apply:  

Interested candidates are invited to visit our career site and apply for the position: https://www.criticalstart.com/careers/