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8 Job openings at Parallelstack Sytems
About Parallelstack Sytems

ParallelStack Systems is a technology company specializing in cloud computing and software solutions to optimize business processes and data management.

Senior Technical Lead, QA

Bengaluru

8 - 14 years

INR 12.0 - 16.0 Lacs P.A.

Work from Office

Full Time

What you must have: 8-14 Years in Telecom/Wireless domain with background in QA or System Test Engg in LTE/5G and IRAT testing (Regression/Functional testing). Experience with LAN/WAN, WLAN, Routing protocols - L2 and L3, TCP/IP, QoS. Experience in various protocols for interoperability, performance evaluation and troubleshooting issues of radio access technology(4G & 5G both). Experience in Tunneling, security protocols implementation LTE/5G Addon- Python/Robot Framework/Automation knowledge/Experience would be beneficial. Familiarity with 5G/4G/3G/2G Mobile Core network (EPC/MME, SGW/PGW, MSC, SGSN/GGSN, HSS ) is a plus Strong experience in virtualized environment with hands-on experience on Linux/KVM Hypervisors and Open Stack, Kubernetes, and Docker Experience in Atlassian Jira, Confluence, Bitbucket, Git, Jenkins Strong Communication skills Prior experience in user experience testing. Job Description : QA tester - NR (5G)/EnodeB testing (LTE ) system, functional, performance/Stability Testing. Debugging issue on MAC /RRC and knowledge on other stack layer will add advantage. Will work on LTE features. (Handover , VoLTE , SRVCC , IRAT , CSFB , CA ). Validating various protocols over all the interfaces. Should have experience in creating test requirements, test plans, and detailed test procedures Performing test activities and troubleshooting software and hardware issues as well the customer s issues Use knowledge of LAN/WAN, Routing protocols, TCP/IP, QoS, Tunnelling and security protocols Utilize expertise in translating standards, feature documents and customer requirements into system level, subsystem level and feature level test plans and test cases Troubleshoot issues and get into technical discussions with R&D Utilize expert knowledge in various protocols for interoperability, performance evaluation and troubleshooting issue. Design, build and operate a complete Mobile Network infrastructure Verify various Parallel Wireless Products and Applications for Functional, Stability, Performance and User experience aspects based on Customer Use cases Generate KPI Reports and Dashboard Automate day to day job functions. Support Customer support team on various POC and projects. Suggest improvements and changes to the product in order to improve customer experience. 0 - 0 a year

Sr Engineer , Stack

Bengaluru

2 - 6 years

INR 6.0 - 10.0 Lacs P.A.

Work from Office

Full Time

Candidate should be proficient in Unit Testing of the newly written code Candidate should be proficient in segmentation fault analysis, memory corruption fix and memory leak fix Candidate should be proficient in LTE L2 and LTE L3 What you will do Create setups, perform software upgrades and maintain setups.

Senior Engineer, QA

Bengaluru

5 - 10 years

INR 6.0 - 10.0 Lacs P.A.

Work from Office

Full Time

we are looking for good experience in QA What youll do: Going through 3GPP standards, architecture and design documents to come up with thorough and in-depth test plans for testing 5G NR. Come with plans also to test PHY/ Stack algorithms and think from e2e Perspective. Creating test scripts using available test tools. This will involve getting familiarized with the test tools and figuring out innovative ways of re-creating practically possible scenarios. Ability to build simple/complex test setups as per the requirements of the test cases Creating test plans on 5G NR features by following 3GPP and ORAN standards Executing test cases and validating the test status based on the expectations for the test case. Ability to fully understand system logs, test tool logs and use this understanding for debugging issues and identifying accurate root causes for the problems seen on the system under test or in the network Using the test expertise and identifying overall improvements and enhancements which are possible on the system Debugging field log/data and identifying potential problems and re-creating the same in the lab Be able to strategize and implement new and efficient ways to streamline QA test planning and strategy. Be able to quickly root cause customer issues and replicate customer configs in lab environment in limited time, working rapidly to solve customer issues. Be hands on K8S deployment and be able to adapt deployment models to suite diff platforms, and work with other stakeholders to stabilize setups. What you must have: 5- 10 years of experience in various protocols for interoperability, performance evaluation and troubleshooting issues of radio access technology. good experience in RAN (5G) Testing , Feature testing (Lab testing) Hands on experience in using wireless test tools such as QXDM, TM500, Channel Emulator, etc. Knowledge of message flows and parameters used in the messages for 5G NR procedures Familiarity with scripting languages such as Python, Tcl Familiarity in creating complex test plans spanning 5G/4G features and root causing issues, Automation and Scripting is priority for this role. Education Bachelor s (B.E/ B.Tech ) or Master s degree (M.E. or M.Tech .) in Electronics / Communication / Computer Science Engineering or equivalent training, education and experience. 0 - 0 a year

Senior Technical Lead, Stack

Pune

5 - 9 years

INR 11.0 - 16.0 Lacs P.A.

Work from Office

Full Time

Parallel Wireless is the only US company challenging the world s legacy vendors with the industry s only unified ALL G (5G/4G/3G/2G) software-enabled solution. People come to work here because we are building the future of telecom. They stay, because they are challenged and driven by an incredible technology and team. What you need : Proficiency in segmentation fault analysis, memory corruption fix and memory leak fix Proficiency in LTE L2 and LTE L3 What you will do Work on LTE release bug fixes support. Work on LTE new features/enhancements as per customer requirements/internal improvements. 0 - 0 a year

Senior Tech Lead, Stack

Pune

10 - 15 years

INR 40.0 - 45.0 Lacs P.A.

Work from Office

Full Time

We are seeking a highly skilled and experienced Senior Technical Lead to join our Software Stack team. This role is pivotal in driving the development and integration of LTE Protocol Stack and advanced Open RAN solutions. The ideal candidate will provide strong technical leadership, mentor team members, and collaborate cross-functionally to deliver high-quality, scalable, and innovative software solutions for our Virtual Base Band Unit (vBBU) product. What you need : Bachelor s or a Master s degree in Computer Science, Electrical Engineering, or a related field. 10+ years of experience in telecom software development, with at least 3 years in a technical leadership role. Deep understanding of LTE/LTE-A protocol stack and Open RAN architecture. Experience with virtualization technologies and VRAN deployment models. Strong programming skills in C/C++ and scripting languages (e.g., Python, Bash). Proven experience in cross-functional collaboration and agile development environments. Excellent communication, leadership, and problem-solving skills. Preferred Qualifications: Experience with 5G NR stack and O-RAN specifications. Familiarity with cloud-native technologies (Docker, Kubernetes). Prior experience in customer-facing roles or support engineering. Key Responsibilities: Lead the design, development, and integration of LTE Advanced features and protocol stack optimizations for Open RAN vBBU. Provide technical leadership and mentorship to the software access stack team. Conduct thorough code reviews to ensure code quality, maintainability and performance. Collaborate with cross-functional teams including: FQG and RQG QA teams for feature verification, test case planning, and execution. PHY and Platform teams for seamless integration and performance tuning. PLM and System Architecture Group for aligning product requirements and architectural decisions. Review and contribute to design documents and requirements specifications. Write and maintain technical documentation, including algorithms and system behavior. Support customer deployments and provide expert-level troubleshooting and resolution. Drive continuous improvement in development processes, tools, and methodologies. 0 - 0 a year

Senior Technical Writer

Bengaluru

5 - 10 years

INR 7.0 - 12.0 Lacs P.A.

Work from Office

Full Time

About the Role We are looking for experienced Senior Technical Writers with 5 10 years of experience and a strong background in the telecommunications industry to join our growing documentation team. This role is ideal for professionals who are enthusiastic about simplifying complex technical information and delivering high-quality, user-centric content. As a Senior Technical Writer, you will play a key role in shaping the documentation experience for our users. You will collaborate with cross-functional teams to produce clear, accurate, and engaging content that supports our products and services. This role involves working closely with cross-functional teams, including Product Line Management (PLM), Engineering, QA, and Professional Services, to create high-quality, user-centric documentation that supports our telecom products and services. Key Responsibilities Own and manage end-to-end documentation for key product areas. Develop and maintain a wide range of technical content, including the following: Feature Description Documents Customer Requirement Documents (CRDs) Counters/Alarms/KPI Documents User Manuals/Product Manuals Installation Guides MOPs (Method of Procedures) Test Plans and Test Exit Reports API Documentation Knowledge Base Articles Troubleshooting procedures Translate complex technical concepts into clear, concise, and engaging content. Collaborate with engineers, product managers, and PoCs to gather accurate information. Attend customer meetings to capture and translate requirements into documentation. Ensure all documentation aligns with company branding, style guidelines, and industry standards. Edit and revise existing documentation as needed. Create visual content such as diagrams, flowcharts, and infographics using tools like Visio, Lucidchart, Adobe Photoshop, or Illustrator. Contribute to content strategy and continuous process improvements. Manage multiple documentation projects under tight deadlines. Take ownership of the documentation component of the user experience. Proactively identify and address documentation challenges and opportunities. Required Qualifications Bachelors degree/master s degree in engineering, technical writing, communications, or a related field, preferably with telecommunication knowledge. 5 10 years of experience in technical writing, preferably in the telecommunications domain. Core Competencies Excellent written and verbal communication skills. Proficiency with XML-based authoring tools (Examples such as oXygen, ArborText, MadCap Flare). Experience with content management systems (CMS) and version control tools such as Perforce, Vasont, Astoria, XDOC, GIT, AEM, CVS/SVN, or others. Strong understanding of telecom technologies, protocols, and standards. Familiarity with API documentation and developer-focused content. Technical Proficiency in API documentation using tools such as Swagger/OpenAPI. Experience with Agile development environments. Strong diligence, time management, and organizational skills. Ability to work independently and across global teams and time zones.

Payroll Specialist

Pune

5 - 10 years

INR 7.0 - 12.0 Lacs P.A.

Work from Office

Full Time

We are looking for a detail-oriented Payroll Specialist to manage payroll operations. The ideal candidate will have strong knowledge of Indian payroll taxation, Statutory/Labour Laws compliance, and accounting fundamentals. This role involves coordination with statutory bodies and requires proficiency in dealing with government officers (PF/PT/Income-Tax/Labour Laws) and employees. Job Location: Pune What youll do: Process and validate monthly employee payroll in line with Indian tax laws. Ensuring compliance with all applicable tax laws and regulations, including calculating and remitting payroll taxes. Must have experience to prepare PF/PT/TDS/ESIC/NPS working, preparation of challans on pertaining portals, remit & file Monthly/Quarterly/Yearly Returns. Collect monthly inputs from HR team verify and ensure to process the accurate payroll. Manage end-to-end payroll Software - Create employee Master, create/transfer UAN, NPS account, Register on LWF, update investment declaration etc. Manage end-to-end payroll accounting, including journal entries and reconciliations. Must have knowledge of preparation of Income Tax Computation & preparation of Form 16 Address employee s queries independently related to payroll, PF, Income Tax, Payslips, Tax Computations, Form 16 Liaise with Provident Fund, Professional Tax, Income Tax, Labour Laws etc. authorities for compliances. Handel all departmental queries / notices / intimations / Audits , prepare letters, arrange documents, represent before Officers, and accomplish the same. Must have experience of collecting, verifying Proof of investments and knowledge of Investment Declarations. Coordination with the PF office to facilitate the settlement of pending/current claims. Sound knowledge of ESOP and its compliances Should have sound experience of Car Lease Scheme and compliances Should have knowledge about Insurance policy (GMC/GPA/GTL), addition/deletion working and reconciliation Should have knowledge of preparing Gratuity & Leave Encashment working for Actuarial valuation Conduct monthly induction sessions for New Joiners & timely Presentation to employees on Investment Declaration, Proof of Investments, ITR, Budget updates etc. Prepare payroll reports and support documentation for audits and internal MIS. Ensure confidentiality, accuracy, and timeliness in all payroll-related matters. Collaborate with HR, Finance, & external consultants for compliance and audit readiness. Stay current with Indian taxation and labour law changes impacting payroll. Basic knowledge of Accounting, Accounts payable, Journal Entry, TDS, Fixed Assets, Bank Payment Entries etc.. What you must have : Proficiency in payroll software and systems such as GreytHR , NetSuite , Tally , or similar platforms Strong knowledge of Indian payroll, Income Tax, Labour Laws taxation/ regulations, and statutory compliance. Exposure to accounting principles and payroll-related reconciliations Ability to interact with statutory bodies and maintain accurate compliance records. Ability to verify the Proofs of Investments and explain to employees and resolve their queries. Implementing payroll process improvements and automation, leveraging technology to enhance payroll efficiency & reduce manual interventions Preferred Qualifications: Bachelor s degree in commerce, Finance, or a related discipline. 5-10 years of relevant experience in payroll processing and in finance. Proficiency in MS Excel (VLOOKUP, Pivot Tables, etc.) and MS Office suite . Excellent attention to detail, time management, strong problem-solving skills and communication skills.

Technical Lead, Automation

Pune

8 - 13 years

INR 9.0 - 13.0 Lacs P.A.

Work from Office

Full Time

We are looking for a talented and driven Senior Automation Engineer. The position includes contributing to the testing of wireless telecom and cloud-based cellular solutions of parallel wireless working both internally and with test engineers across parallel wireless sites. This offers a great opportunity to learn and contribute to the ORAN wireless technology. What youll do: Contribute to auto infra design and on-going development Contribute to overall system design and architecture Continuous Integration/Continuous Deployment (CI/CD): Integrate automation tests into the CI/CD pipeline, ensuring immediate feedback on code quality and stability. Hands-on work in a lab environment on different test setups Work closely with R&D teams to understand system architecture, design, and functionalities. Work with remote teams from offices out of the country. Work in agile scrum work environment. What you should have: 8+ years of relevant professional experience. Solid understanding of Python language. Experience working with automation frameworks such as Robot, Pytest, etc. Know how to write simple scripts (python, shell or similar). Strong verbal and written English skills. Self-learner and ability to learn new technologies and methodologies in a relatively short time. Hands-on experience with Linux. Basic knowledge in networking. Familiar with Docker and Kubernetes concepts. Excellent communication and interpersonal skills. Nice to have: Knowledge with Jenkins, Groovy Prior work in a lab environment Telecommunication experience Education: Bachelor degree in Electrical / Electronic / Communications / Computer Science Engineering 0 - 0 a year

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Parallelstack Sytems

Parallelstack Sytems

Parallelstack Sytems

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Technology/Software

Innovation City

150 Employees

8 Jobs

    Key People

  • Alice Johnson

    CEO
  • Bob Smith

    CTO
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