Devops Engineer

Job role: Systems Engineer (L2)

Location: Remote/Bengaluru

Experience: 3-6 years

About the Role:

We are looking for a Systems Engineer (L2) to join our growing infrastructure team. You will be responsible for managing, optimizing, and scaling our cloud communication platform that handles billions of messages and voice calls annually.

Key Responsibilities:

 — Design, deploy, and maintain scalable cloud infrastructure — AWS/GCP/Azure.

 — Manage and optimize networking components — routers, switches, firewalls, load balancers.

 — Handle incident response — monitor systems, identify issues, resolve production problems.

 — Implement DevOps best practices — CI/CD pipelines, automation, containerization.

 — Collaborate with backend and product teams on system architecture.

— Performance tuning — ensure high availability and reliability of platform.

— Security management — implement security protocols and compliance standards.

Required Skills:

Technical:

• Linux/Unix administration — strong fundamentals
• Networking — TCP/IP, DNS, BGP, VoIP protocols
• Cloud platforms — AWS/GCP/Azure — minimum 2 years
• DevOps tools — Docker, Kubernetes, Jenkins, CI/CD
• Monitoring tools — Grafana, Prometheus, Kibana, Datadog
• Scripting — Python, Bash, Shell
• Databases — MySQL, PostgreSQL, Redis

Soft skills:

• Strong problem-solving under pressure
• Good communication — English written and verbal
• Team player — collaborative mindset

Good to Have:

• Experience in telecom/CPaaS/cloud communications industry
• Knowledge of VoIP, SIP, RTP protocols
• AI/ML operations experience
• CCNA/AWS certifications

• 7+ years of experience in System Administration, Networking, Automation, Monitoring
• Excellent problem solving, analytical skills and technical troubleshooting skills
• Experience managing systems deployed in public cloud platforms (Microsoft Azure, AWS or Google Cloud)
• Experience implementing and maintaining CI/CD pipelines (Jenkins, Concourse, etc.)
• Linux experience, flavours: Ubuntu, Redhat, CentOS (sysadmin, bash scripting)
• Experience setting up monitoring (Datadog, Splunk, etc.)
• Experience in Infrastructure Automation tools like Terraform
• Experience in Package Manager for Kubernetes like Helm Charts
• Experience with databases and data storage (Oracle, MongoDB, Postgres SQL, ELK stack)
• Experience with Docker
• Experience with orchestration technologies (Kubernetes or DC/OS)
• Familiar with Agile Software Development

You will make an ideal candidate if you have: 

• Experience of building a range of Services in a Cloud Service provider

• Expert understanding of DevOps principles and Infrastructure as a Code concepts and techniques

• Strong understanding of CI/CD tools (Jenkins, Ansible, GitHub)

• Managed an infrastructure that involved 50+ hosts/network 

• 3+ years of Kubernetes experience & 5+ years of experience in Native services such as Compute (virtual machines), Containers (AKS), Databases, DevOps, Identity, Storage & Security

• Experience in engineering solutions on cloud foundation platform using Infrastructure As Code methods (eg. Terraform)

• Security and Compliance, e.g. IAM and cloud compliance/auditing/monitoring tools

• Customer/stakeholder focus. Ability to build strong relationships with Application teams, cross functional IT and global/local IT teams

• Good leadership and teamwork skills - Works collaboratively in an agile environment

• Operational effectiveness - delivers solutions that align to approved design patterns and security standards

• Excellent skills in at least one of following: Python, Ruby, Java, JavaScript, Go, Node.JS

• Experienced in full automation and configuration management

• A track record of constantly looking for ways to do things better and an excellent understanding of the mechanism necessary to successfully implement change

• Set and achieved challenging short, medium and long term goals which exceeded the standards in their field

• Excellent written and spoken communication skills; an ability to communicate with impact, ensuring complex information is articulated in a meaningful way to wide and varied audiences

• Built effective networks across business areas, developing relationships based on mutual trust and encouraging others to do the same

• A successful track record of delivering complex projects and/or programmes, utilizing appropriate techniques and tools to ensure and measure success

• A comprehensive understanding of risk management and proven experience of ensuring own/others' compliance with relevant regulatory processes

Essential Skills :

• Demonstrable Cloud service provider experience - infrastructure build and configurations of a variety of services including compute, devops, databases, storage & security

• Demonstrable experience of Linux administration and scripting preferably Red Hat

• Experience of working with Continuous Integration (CI), Continuous Delivery (CD) and continuous testing tools

• Experience working within an Agile environment

• Programming experience in one or more of the following languages: Python, Ruby, Java, JavaScript, Go, Node.JS

• Server administration (either Linux or Windows)

• Automation scripting (using scripting languages such as Terraform, Ansible etc.)

• Ability to quickly acquire new skills and tools

Required Skills :

• Linux & Windows Server Certification

A.P.T Portfolio, a high frequency trading firm that specialises in Quantitative Trading & Investment Strategies.Founded in November 2009, it has been a major liquidity provider in global Stock markets. 

As a manager, you would be incharge of managing the devops team and your remit shall include the following

• Private Cloud - Design & maintain a high performance and reliable network architecture to support  HPC applications
• Scheduling Tool - Implement and maintain a HPC scheduling technology like Kubernetes, Hadoop YARN  Mesos, HTCondor or Nomad for processing & scheduling analytical jobs. Implement controls which allow analytical jobs to seamlessly utilize ideal capacity on the private cloud. 
• Security - Implementing best security practices and implementing data isolation policy between different divisions internally. 
• Capacity Sizing - Monitor private cloud usage and share details with different teams. Plan capacity enhancements on a quarterly basis. 
• Storage solution - Optimize storage solutions like NetApp, EMC, Quobyte for analytical jobs. Monitor their performance on a daily basis to identify issues early.
• NFS - Implement and optimize latest version of NFS for our use case. 
• Public Cloud - Drive AWS/Google-Cloud utilization in the firm for increasing efficiency, improving collaboration and for reducing cost. Maintain the environment for our existing use cases. Further explore potential areas of using public cloud within the firm. 
• BackUps  - Identify and automate  back up of all crucial data/binary/code etc in a secured manner at such duration warranted by the use case. Ensure that recovery from back-up is tested and seamless. 
•  Access Control  - Maintain password less access control and improve security over time. Minimize failures for automated job due to unsuccessful logins. 
•  Operating System  -Plan, test and roll out new operating system for all production, simulation and desktop environments. Work closely with developers to highlight new performance enhancements capabilities of new versions. 
•  Configuration management  -Work closely with DevOps/ development team to freeze configurations/playbook for various teams & internal applications. Deploy and maintain standard tools such as Ansible, Puppet, chef etc for the same. 
•  Data Storage & Security Planning  - Maintain a tight control of root access on various devices. Ensure root access is rolled back as soon the desired objective is achieved.
• Audit access logs on devices. Use third party tools to put in a monitoring mechanism for early detection of any suspicious activity. 
• Maintaining all third party tools used for development and collaboration - This shall include maintaining a fault tolerant   environment for GIT/Perforce, productivity tools such as Slack/Microsoft team, build tools like Jenkins/Bamboo etc

Qualifications 

• Bachelors or Masters Level Degree, preferably in CSE/IT
• 10+ years of relevant experience in sys-admin function
• Must have strong knowledge of IT Infrastructure, Linux, Networking and grid.
• Must have strong grasp of automation & Data management tools.
• Efficient in scripting languages and python

Desirables

• Professional attitude, co-operative and mature approach to work, must be focused, structured and well considered, troubleshooting skills.
•  Exhibit a high level of individual initiative and ownership, effectively collaborate with other team members.

APT Portfolio is an equal opportunity employer

Why you should join us

- You will join the mission to create positive impact on millions of peoples lives

- You get to work on the latest technologies in a culture which encourages experimentation - You get to work with super humans (Psst: Look up these super human1, super human2, super human3, super human4)

- You get to work in an accelerated learning environment

What you will do

- You will provide deep technical expertise to your team in building future ready systems.

- You will help develop a robust roadmap for ensuring operational excellence

- You will setup infrastructure on AWS that will be represented as code

- You will work on several automation projects that provide great developer experience

- You will setup secure, fault tolerant, reliable and performant systems

- You will establish clean and optimised coding standards for your team that are well documented

- You will set up systems in a way that are easy to maintain and provide a great developer experience

- You will actively mentor and participate in knowledge sharing forums

- You will work in an exciting startup environment where you can be ambitious and try new things :)

You should apply if

- You have a strong foundation in Computer Science concepts and programming fundamentals

- You have been working on cloud infrastructure setup, especially on AWS since 8+ years

- You have set up and maintained reliable systems that operate at high scale

- You have experience in hardening and securing cloud infrastructures

- You have a solid understanding of computer networking, network security and CDNs

- Extensive experience in AWS, Kubernetes and optionally Terraform

- Experience in building automation tools for code build and deployment (preferably in JS)

- You understand the hustle of a startup and are good with handling ambiguity

- You are curious, a quick learner and someone who loves to experiment

- You insist on highest standards of quality, maintainability and performance

- You work well in a team to enhance your impact

Rules & Responsibilities:

• Design, implement and maintain all AWS infrastructure and services within a managed service environment
• Should be able to work on 24 X 7 shifts for support of infrastructure.
• Design, Deploy and maintain enterprise class security, network and systems management applications within an AWS environment
• Design and implement availability, scalability, and performance plans for the AWS managed service environment
• Continual re-evaluation of existing stack and infrastructure to maintain optimal performance, availability and security
• Manage the production deployment and deployment automation
• Implement process and quality improvements through task automation
• Institute infrastructure as code, security automation and automation or routine maintenance tasks
• Experience with containerization and orchestration tools like docker, Kubernetes
• Build, Deploy and Manage Kubernetes clusters thru automation
• Create and deliver knowledge sharing presentations and documentation for support teams
• Learning on the job and explore new technologies with little supervision
• Work effectively with onsite/offshore teams

Qualifications:

• Must have Bachelor's degree in Computer Science or related field and 4+ years of experience in IT
• Experience in designing, implementing, and maintaining all AWS infrastructure and services
• Design and implement availability, scalability, and performance plans for the AWS managed service environment
• Continual re-evaluation of existing stack and infrastructure to maintain optimal performance, availability, and security
• Hands-on technical expertise in Security Architecture, automation, integration, and deployment
• Familiarity with compliance & security standards across the enterprise IT landscape
• Extensive experience with Kubernetes and AWS(IAM, Route53, SSM, S3, EFS, EBS, ELB, Lambda, CloudWatch, CloudTrail, SQS, SNS, RDS, Cloud Formation, DynamoDB)
• Solid understanding of AWS IAM Roles and Policies
• Solid Linux experience with a focus on web (Apache Tomcat/Nginx)
• Experience with automation/configuration management using Terraform\Chef\Ansible or similar.
• Understanding of protocols/technologies like Microservices, HTTP/HTTPS, SSL/TLS, LDAP, JDBC, SQL, HTML
• Experience in managing and working with the offshore teams
• Familiarity with CI/CD systems such as Jenkins, GitLab CI
• Scripting experience (Python, Bash, etc.)
• AWS, Kubernetes Certification is preferred
• Ability to work with and influence Engineering teams