L3/L2 Network Engineers

Senior Systems Administrator JD – VPN

As a Senior Systems Administrator, you will be working to enhance and support the VPN, DNS and proxy infrastructure of a highly distributed network of systems that serve as the backbone of global VPN platforms. Your primary role will be to improve performance, create new solutions for scalability and enhance existing processes.

Professional Experience

• Senior-level Linux system administration in high-traffic, fault-tolerant environments (typically 5-7 years).
• Recent team lead or mentoring responsibility.

Technical Expertise

• Deep Linux knowledge (CentOS/RHEL or similar), strong command-line proficiency.
• Virtualization: KVM / QEMU.
• Containers & orchestration: Docker; Swarm/Kubernetes (EKS, ECS).
• Scripting & automation: Bash and Python.
• Experience with several of the following: Salt / Salt Stack, Ansible, Puppet, Terraform, Vault.
• CI/CD: GitLab pipelines and related tooling.
• Hands-on with tools such as: Prometheus, Grafana, Nagios, Elasticsearch, Logstash, Kibana (ELK).
• Datacenter infrastructure and performance tuning for optimal system health.

Networking & Security

• Strong understanding of TCP/IP, HTTP, DNS, routing, and packet analysis.
• Firewall and traffic control: iptables / ipsets.
• VPN protocols and proxy technologies: WireGuard, OpenVPN, StrongSwan.

Personal Attributes

• Self-starter who enjoys working independently and close collaboration with peers with minimal supervision.
• Eager problem solver who actively seeks process and performance improvements.
• Comfortable reading and writing technical documentation in English; day-to-day team communication is in English
• Service-oriented teammate with excellent verbal and written communication skills; able to convey complex technical concepts to non-technical stakeholders.

Desired (Nice-to-Have)

• Experience administering Elasticsearch/Grafana/Kibana clusters at scale.
• Familiarity with formal change-management policies and processes.
• Demonstrated success supporting or evolving multiple customer-facing security products.

Key Responsibilities

• Design, enhance, and maintain internet-security platforms (VPN, DNS, proxy) through robust tooling and automation.
• Augment system monitoring for better availability, visibility, alerting, and proactive capacity planning.
• Investigate, troubleshoot, and resolve production incidents surfaced by internal monitoring or external reports.
• Participate in architecture and design discussions to define scalable solutions for new and existing services.
• Deliver project work for new business initiatives: environment build-out, infrastructure upgrades, product enhancements, and new-feature rollouts.
• Collaborate with peers on complex technical challenges while also executing individual contributor tasks.
• Participate in an 1-in-5 on-call rotation covering evenings, weekends, and holidays as business needs dictate.

Job Description

As an Engineering & Scrum Lead, you will be leading a technology team to build a highly scalable and extensible platform that provides the foundation for collecting, storing, modelling, and analysing massive IoT data sets from multiple channels. This position thrives in a fast-paced environment and enjoys driving innovation through rapid prototyping and iterative development. You should have the ability to partner with team members who have great technical depth & analytical ability to deliver customer success.

This is a “Work from Office” role.

Desired Skillset:

• 8-12 years track record of relevant work experience
• Dynamic leader who has directly managed team of highly competent developers & analysts in a fast-paced work environment
• Experience of working with agile methodologies using tools like Jira/ Zoho Sprints
• Experience in conducting and leading daily Scrum meetings and sprint planning sessions
• Ability to roll up sleeves when required (for design, development, debugging, testing, support etc.)
• Strong communication skills – verbal & written
• Ability to work in a fast-paced start-up ecosystem
• Strong leadership skills & strong project management skills with experience of delivering high quality projects on time. Experience on relevant tools is a must.
• Experience in building, leading & managing multi-engineer projects and mentoring top-notch engineers in consulting companies
• Development and support experience in Web domain with experience on delivering high performance systems
• Architecting, developing, implementing and maintaining highly available and highly scalable systems on cloud
• Experience with database modelling and development, data mining and warehousing

Responsibilities:

Delivery

·        You would be required to own customer deliverables and ensure that the project schedules are in line with the expectations set to the customers.

·        Ensure implementation and sustenance of Agile across the organization

·        Training & handholding the teams on agile tools

People management

○ Team building

• Identify the right talent to build the team to solve customer problems
• Build a training program to help tailor the talent for project success

○ Mentorship

• Mentor & grow Engineering team to lead up the projects

What Makes You A Great Fit:

● 3+ years of experience in a full stack development environment.

● Good understanding of data structures and algorithms.

● Experience with deployments.

● PostgreSQL or any other RDMS.

● Experience in project management, and documentation

Skills: Ruby on Rails, Vue JS, HTML, CSS

Work Mode: Work from home

Salary: Negotiable

Some of your key responsibilities would be:

1. Write simple, understandable, testable, and efficient code with a focus on solid

technical stability and performance.

2. Drive technical improvement by applying software craftsmanship in everyday work

as well as by identifying and executing larger refactoring/improvement

initiatives.

3. Contribute in the implementation of complex features and design work within the

team.

4. Being part of cross-team technical initiatives

5. Participate in and contribute to the team's Agile practices.

6. Take responsibility in maintaining high engineering standards, commitment to the

product and respect and attitude towards others.

We would love to hear about:

1. Hands-on experience with modern Ruby on Rails practices and development.

2. Experience with writing clean, maintainable and scalable code

3. Good awareness of the Ruby on Rails ecosystems and being in touch with the latest developments in this area

4. Experience in developing backend APIs/services, and micro-service architecture. APIs for mobile apps in particular is a bonus.

5. Have a clear understanding of database technologies, with previous experience with PostgreSQL being a bonus

6. A high-performance mindset to deliver good quality code and also an understanding of the product

Why Join us:

● Flexible timings

● Flexibility to work remotely

● We are looking for like-minded individuals who are passionate about code and are

enthusiastic about building great software.

● Work with founders closely

Our Values:

Ownership | Invest in Employees | Trust | Long Term | Meritocracy | Growth mindset

1. Work as part of cross-functional, passionate agile project teams to ensure quality is driven into the heart of the development process from requirements definition to delivery
2. Architecting, designing, developing and deploying new features for mobile applications.
3. Ensure the best possible performance, quality, and responsiveness of the application
4. Diagnose and fix bugs and performance bottlenecks for great performance
5. Maintain code and write automated tests to ensure the product is of the highest quality

1. You have at least 1y ears of full-time mobile development experience (iOS, Android) with at 1 year experience with Flutter & Dart
2. Familiarity with RESTful APIs to connect applications to back-end services
3. Experience developing integrations with common APIs (e.g., Firebase, Twitter, Facebook, Instagram, Stripe, Vimeo, Google etc.)
4. Proficient understanding of code versioning tools, such as Git
5. Strong knowledge of design principles, patterns, and best practices
6. Experience with offline storage, threading, and performance tuning
7. Ability to understand and translate business requirements into technical requirements

What you need to have:

• Mosaic Wellness is looking for an Android developer responsible for the development and maintenance of existing applications along with continuous integration of new features, who can take the ownership and work independently.
• 1.5+ years of experience in Kotlin is must 
• Your primary focus will be development of Android applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure.
• Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
  

• Integrate the design into high-quality code.
• Ensure the performance, quality, and responsiveness of an application.
• Identify and correct bottlenecks and fix bugs.
• Work along-side other developers working on a different platform for the Application. Therefore, commitment to collaborative problem solving, design implementation and creating a quality product is essential.
  

• Minimum 2+ years of experience in Android Application Development.
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
• Understanding of Android design principles and interface guidelines.
• Must have already deployed at least one app on PlayStore.
• Working knowledge of Web Services & REST (JSON) APIs, Websocket, Kotlin, Retrofit, SQLite, Google API Integration, Firebase.
• Familiarity with cloud message APIs and push notifications.
• Experience with third-party libraries and APIs.
• Strong mobile UI design and implementation experience.
• Experience with the E-commerce store app
  
• Understanding of code versioning tools.