Citrus

Citrus is seeking a Senior Linux Administrator with top notch organizational, technical, process and automation skills to be part of High performance Hosting and Cloud InfrastructureTeam.
As an Infrastructure Administrator, this person is responsible for the daily administration of Linux and Unix servers in a business application environment. This includes general system administration tasks, software and hardware support, system configuration, system monitoring. This person must have Linux/Unix awareness, with excellent customer relation skills. Candidate should be able to work with business application administrators, helping trouble-shoot their applications and guide them with best practices. Candidate must be able to express thoughts clearly and capable of working in a team or as a sole contributor. Individual should be self-motivated with very good communication skills. Primary point responsible for the overall operability, resiliency, performance, and capacity of owned production services.

• Extensive experience in system administration with hands-on knowledge in Linux, Oracle, Tomcat, Apache, shell scripting.
• Well versed with Mongo DB installation, configuration & management.
• Ability to build HA, high performance, clusters and load balanced environment and near zero downtime architecture.
• Ability to build and run more than 100 servers/VMs in dedicated and cloud platforms.
• A solid understanding of networking/distributed computing environment concepts; understands principles of routing, client/server programming, the design of consistent network-wide file system layouts.
• Knowledge of continuous integration tools like Jenkins.
• Understanding of networking technologies Switches, Firewalls, Routers, IP routing, load balancers, failure modes & diagnostics.
• Well versed with tools like sysstat, dstat, oprofile, Frysk, SystemTap.
• Knowledge of MySQL, PostgreSQL, Redis & in-depth fine-tuning procedures & advanced troubleshooting.
• Deep understanding of file systems - ext{234}, ntfs, XFS and recovery techniques.
• Knowledge of replicated & network file systems like NFS, DRBD.
• Knowledge of LDAP & Active Directory.
• Scalability (Partitioning, Coupling, Caching etc.) & capacity planning concepts.
• 24x7 uptime of IT services to support round the clock business requirement.
• Experience with automation / configuration management tools like Puppet / Chef / Ansible / Salt.
• In-depth Knowledge of MRTG, Nagios, Selinux.
• Experience with AWS is a strong plus.
• Familiarity with advanced tools like Apache Mesos, ZooKeeper is a plus.
• A degree in Computer Science or equivalent is required.

• Strategy Setting and Execution.
• Continuous Integration Continuous Deployment
• Program debugging skills
• Logging and monitoring(Logstash+GreyLog)
• Understanding of Statistics
• Stakeholders Management
• Documentation
• Capacity planning
• Project Management
• Vendor Management
• Trouble Shooting & Decision making
• Training & Recruitment
• Finance and Budget Control
• IT-Infrastructure Design
• Strong DNS Concepts.

Citrus is looking for a senior leader with IT Infrastructure management experience. Someone who has extensive experience in building scalable systems. We need a passionate individual who can scale across roles and is flexible to work with a diverse team. This role requires strong design skills, development & management skills.

• Extensive experience in IT Infrastructure, Planning & Management of IT Services, Service Delivery Management, IT Security, Business Compliance, ISO (27001, 9001),PCI.
• Expertise in building and managing large scale delivery sites for best in class internet business with Network, Security, Windows, Storage, ERP, DR and BCP planning, Logger, Reporting, IP networking, Security, System for multi-site operations
• ITIL methodologies, Six Sigma, Risk management, BCP and DR practices
• 24x7 uptime of IT services to support round the clock business requirement.
• Managing Datacentre services, Local and Wide area network, windows domain and application servers.
• Performing need assessment and preparing IT blueprint for the organization. Defining process, vision & design, enhancement strategy
• Ability to automate Application Testing, Application monitoring, Provisioning, Deployment and manage IT Infrastructure of high performance online system.
• Ability to build and run more than 100 servers/VMs in dedicated and cloud platforms.
• Ability to build HA, high performance and near zero downtime architecture.
• Ability to develop diverse infrastructure systems capable to manage a datacentre / huge fleet of servers.
• Experience with automation / configuration management tools like Puppet / Chef / Ansible / Salt.
• Experience with AWS is a strong plus.
• Experience with setup and management of database tools like MySQL, PostgreSQL, Redis etc.
• Ability to use a wide variety of open source technologies and cloud services.
• Familiarity with advanced tools like Apache Mesos, ZooKeeper is a plus.
• A degree in Computer Science or equivalent is required.

• Strategy Setting and Execution
• IT Roadmaps and Plans
• Executive Board Reporting
• Business & Technology Alignment
• Stakeholders Management
• Project Management
• Vendor Management
• SLA Management
• Cross Cultural Leadership
• Team building & Personal Coaching
• Recruitment
• Finance and Budget Control
• IT Governance & Quality Control
• IT-Infrastructure Design

Citrus is seeking a Principal Architect who is highly motivated with an appetite for Agility and has significant business knowledge. Architect in the developer job family provide overall direction, guidance and definition of an enterprise architecture that effectively supports the corporate business strategy. Responsibilities include researching, analysing, designing, proposing, and delivering solutions that are appropriate for the business and technology. The successful candidate requires a B.Tech/M.Tech Computer Science (or equivalent) from Tier 1 college and experience working new-age start-up mobile/internet companies.
In this role you will be a key Leader of the technical team, working with Product team, senior developers to design and implement a robust and scalable system. While being an individual contributor you will also have to act as the scrum master for the project, ensuring work is being properly planned and tracked, helping to remove impediments and escalating or adjusting the schedule as required. You will have to be an advocate for your solution and be able to describe, defend, and build support across various teams with competing priorities.
This is an exciting opportunity to work with a diverse team of passionate professionals who love to build elegant, highly integrated products. If you're interested in helping us deliver high value features for an exciting initiative, we want to talk with you!

• 8+ years software Development experience in a professional environment
• Candidate should have hands-on experience in Java / J2EE
• Should be strong in OOPS and Core Java - Fundamentals.
• Should have experience of working in Spring, hibernate JSPs, Servlets and web containers.
• Should be an avid learner of new technologies, innovate and demonstrate this attribute.
• Awareness of database SQL/PLSQL is a must.

Skillsets required
Core Java
Embedded Servers ( Jetty, Undertow, Netty etc)
Spring Boot, Dropwizard, Guice etc
Reactive Programming ( Akka/Vertx/RxJava etc )
NodeJS
Continuous Delivery ( Software used )
Cloud Fundamentals ( Elasticity etc)
Nginx (Event Driven Servers)
CDN ( Akamai etc)
Micro Services ( Security, Resilience, Interprocess Communication )
Distributed System ( Session Clustering, Load Distribution, Zero Downtime Deployments )
No SQL ( Hbase, MongoDB etc )
Distributed Caching ( Redis, Aerospike etc )
Scala, Groovy on Grails etc

• Strategy Setting and Execution
• IT Roadmaps and Plans
• Executive Board Reporting
• Business & Technology Alignment
• Stakeholders Management
• Project Management
• Vendor Management
• SLA Management
• Cross Cultural Leadership
• Team building & Personal Coaching
• Team Recruitment

Citrus is looking for Head of Mobility to lead the mobility products and develop scalable and modular solutions to create flawless products. He/She would be a leader with top notch organizational & technical skills . As a leader he/she would be responsible for successfully designing and managing the delivery of mobile solutions and technologies. He would deliver mobile platform and architecture recommendations based on project requirements and industry best practices. Acting as an individual contributor he would design overall solutions and also lead the team of 15 developers and quality analysts to deliver best of products. He should contribute toward excellence in a highly collaborative, team-oriented environment.

• Combination of iOS & Android platform. Thorough knowledge of both the domains is must.
• Proficiency in asynchronous/multi-threaded programming specific to mobile devices.
• Previously published portfolio of apps should be given (with links).
• Knowledge of cross platform mobile development using Xamarin and other development environment is a plus.
• Hands-on native iOS development experience with proficiency in Objective-C/Swift using XCode.
• Experience working with Web Services using iOS SDK.
• On-device database experience with CoreData, SQLite and other databases.
• Knowledge of UI/UX best practices and design standards, experience with localization tools for iOS.
• Knowledge of debug and test tools like UI Automation, analysis with Instruments and other tools.
• Deep understanding how Android works (Dalvik, ART)
• Experience developing with the Android SDK, and the Android NDK knowledge will be added advantage.
• Deep understanding of responsibility and life cycle basic components (Activity, Broadcast,Receiver,Service, Content Provider)
• Should be capable of leveraging the capabilities of Camera, GPS, etc.
• Experience with JSON, SOAP, Rest, XML and XHTML, HTML5.
• Experience with databases like SQLite, NoSQL and key-value storages
• Knowledge of JavaScript, and the third party API (like Facebook, Twitter etc.) will be added advantage.
• Experience with Ant, Maven, Gradle.
• Evaluate and Design for use cases adhering to automotive infotainment requirements.
• The knowledge of Payment Gateway will be added advantage
• A degree in Computer Science or equivalent is required.

• Strategy Setting and Execution
• IT Roadmaps and Plans
• Executive Board Reporting
• Business & Technology Alignment
• Stakeholders Management
• Project Management
• Vendor Management
• SLA Management
• Cross Cultural Leadership
• Team building & Personal Coaching
• Training & Recruitment
• Finance and Budget Control

• Payment Gateways, Ecommerce, Merchant Acquiring Systems.
• Security, Encryption, Encoding.
• PCI DSS.

• Java, JQuery, Web Development, Java Spring, Redis, Memcache, Tomcat, Apache, Eclipse, Rest API, Ecommerce.

• Engineering Graduate with 4+ years of experience. IIT, NIT and BITS Pilani candidates will be given preference.

• Minimum graduate (Engineering), Post-Graduation will be a plus.
• ISQTB certified would be a plus point.
• We would need candidates from top colleges like IIT, NIT, and BITS Pilani.
• Payment Gateways, Ecommerce, Merchant Acquiring Systems, startup experience would be a plus.

• 5+ years of experience in building Test automation frameworks, Tools, to support UI, Webservices/API testing.
• 5+ years of *hands-on* Java, Testing, Jbehave, JUNIT, XML, Coding experience.
• 3+ Years of experience in Selenium Functional Test automation development, Webservices/API Test automation.
• Very good/Hands On selenium webdriver scripting knowledge.
• Strong in SQL and hands on experience with log scanning.
• Experience using Testing NG or any other testing framework.
• Experience with Web Based Testing.
• Must have good communication, interpersonal skills.

• Monitoring of the network, IT infrastructure and various applications to check for any new or outstanding alarms/issues.
• Troubleshooting, resolving all technical issues related to our software/networks and the range of products and services.
• Design, build & implement infrastructures for large scalable web2.0 applications & networked systems.
• Creating high level architectural design of products & systems.
• Set up monitoring, configuration management, administration & operation practices for such applications/systems.
• Planning large migrations & executing it.
• Developing better monitoring & systems management practices to maximize uptime.
• Develop/Adopt new & efficient strategies to minimize manual/repetitive work, operational costs, deployment times, response times etc.
• Troubleshooting complex systems/network issues.
• Good understanding of statistics.
• Capacity planning.
• Training & managing teams.
• Plan team to-do's/goals, product upgrades/releases.
• Documenting processes, troubleshooting information, problems and their resolutions.
• Evaluate software/hardware products (free/commercial) as per needs.
• Prepare & present proposals with respect to systems/software infrastructure.
• Research & build specifications for new products & tools.
• Acting as liaisons between junior system administrators, application administrators and software developers.
• Converting software package requirements into configuration input for the configuration management system.
• High level log analysis, performance reports, trend analysis.
• Quick in decision making and execution.
• Assist operations teams in daily operations when required.
• Assist developers in architectural and design problems.

• Hardcore system administrator, with vast experience in Linux Guru.
• Security and uptime freak.
• A master of regular expressions and nifty one liner in sed, awk. Perl etc.
• Ability to understand and solve complex problems, and to make quick decisions.
• Ability to manage large server farms including cloud remotely and in an automated fashion.
• Strong customer service and computer skills.
• Able to manage multiple projects & prioritize diverse tasks.
• Ability to solve a problem quickly & completely.
• A solid understanding of a LINUX-based operating system; understands paging and swapping, inter-process communication, devices and what device drivers do, file system concepts, along with internal Linux hacking.
• A solid understanding of networking/distributed computing environment concepts; understands principles of routing, client/server programming & the design of consistent network-wide file system layouts.
• A deep understanding of networking and networking technologies Switches, Routers, IP routing, load balancers, failure modes & diagnostics.
• Strong DNS Concepts.
• In-depth knowledge of Apache web server and related modules like PHP, mod security, Tomcat, SSL etc.
• Reverse proxies/HTTP accelerators.
• Ability to setup and maintain High Availability Clusters and Load Balanced environment.
• In depth knowledge about Load balancing & High Availability.
• Firewalls (Iptables, BSD packet filter, other commercial etc).
• Understanding of Root kits, IDS, Firewall concepts.
• SSH, SSL, Cyphers, PGP etc.
• In-depth Knowledge of MRTG, Nagios, selinux.
• Knowledge about Linux system performance monitoring & tuning using tools like sysstat, dstat, oprofile, Frysk, SystemTap.
• Knowledge of MySQL, databases & in-depth fine-tuning procedures & advanced troubleshooting.
• Good knowledge of SQL & Databases (relational and non-relational,the ability to think in sets and graphs, performance tuning).
• Knowledge about RAID & LVM.
• Deep understanding of file systems - ext{234}, ntfs, XFS and recovery techniques.
• Knowledge of replicated & network file systems like NFS, DRBD.
• Knowledge of LDAP & Active Directory.
• Scalability (Partitioning, Coupling, Caching etc) & capacity planning concepts.

• IT Graduate from a reputed institute with 5 to 7 years.