Networking Engineer

Job Title: Embedded Firmware Engineer (RF Focus)

Location: Gurgaon, Haryana (On -site)

Employment Type: Full-Time

Experience: 3-5 years

We’re hiring an Embedded Firmware Engineer (3–5 yrs) with strong experience in Sub-GHz RF, LoRa/LoRaWAN, and IoT systems. The role focuses on firmware development, RF communication, and secure telemetry.

About Aaizel Tech

Aaizel Tech is a pioneering tech startup at the intersection of cybersecurity, AI, geospatial solutions, and more. We drive innovation by delivering transformative technology solutions across industries. As part of our dynamic team, you'll gain hands-on experience and learn from experts who are dedicated to pushing the boundaries of what's possible.

Responsibilities

• Develop firmware for STM32 (WL/H/L/F series)

• Design & implement Sub-GHz RF (403/433/868/915 MHz) systems

• Work on LoRa PHY/MAC & LoRaWAN stack (OTAA/ABP, uplink/downlink)

• Perform RF testing & debugging (RSSI, SNR, range testing, SDR/spectrum tools)

• Implement secure communication (AES-128/256, CRC/SHA)

• Develop drivers: UART, SPI, I2C, ADC, DMA

• Work with FreeRTOS (tasks, queues, ISRs, low power)

• Build communication stacks: RS485/Modbus, RS232, MQTT, TCP/IP, UDP

• Implement bootloader & OTA updates

• Debug using SWD/JTAG, logic analyzer, DSO

• Optimize for performance, power, and RF reliability

Requirements

• 3–5 years in embedded firmware + RF systems

• Strong in Embedded C, STM32CubeIDE, HAL/LL

• Hands-on with LoRa/LoRaWAN & Sub-GHz communication

• Understanding of RF fundamentals (link budget, interference, antennas)

• Experience in secure communication (AES)

• Good knowledge of FreeRTOS & industrial protocols (RS485/Modbus)

• Strong debugging skills (firmware + RF)

• Basic hardware/RF PCB understanding

Good to Have

• Experience with ChirpStack / TTN

• Knowledge of FSK/GFSK

• RF certification exposure (CE/FCC/ETSI)

How to Apply

• Please submit your resume, portfolio, and a cover letter outlining your relevant experience and how you can contribute to Aaizel Tech’s success.

Job Details

- Job Title: Sr. System Test Engineer

- Industry: engineering

- Domain - Information technology (IT)

- Experience Required: 6-10 years

- Employment Type: Full Time

- Job Location: Pune

- CTC Range: Best in Industry

Job Description

• Designation- Sr. System Test Engineer
• Qualifications: B.E./B.Tech Electrical / Instrumentation / Electronics / Mechatronics / MSc Electronics, Electrical
• Experience: 6-10 years.
• Location: Pune.
• Work Mode: Hybrid (1-day WFH, 4-days from Office)

A. Skills & Technologies:

Mandatory:

• PLC Programming in Ladder/Structured Text/Function blocks.
• Configuring and commissioning Servo Drives, VFDs & Inverters.
• Experienced in Motion Control Programming in PLC for servo drives.
• Experience in Robotic (Drive Groups, Multi-Axes) programming in PLC.
• Design and Commissioning experience for Machine automation and turnkey projects,
• (including but not limited to Factory Acceptance Test (FAT) / Site Acceptance Test (SAT)).
• Hands On with one or more Fieldbus technologies (like Ethernet/IP, PROFINET,
• EtherCAT, Ethernet PowerLINK, CAN, PROFIBUS, ControlNET, DeviceNET).
• Configuring of PLC Backplane IOs and Remote IOs on Fieldbus.

Desirable:

• Electrical Wiring Design for Control panels.
• Experience in Manual testing.

B. Behaviors:

• Good team player
• Open to learn new technologies.
• Agile in nature
• Self-motivated and proactive

C. Role and Responsibilities:

• Design and execute tests on complete automation system.
• Test motion, robotics related Function blocks in PLC code, before release to market.
• Analyze requirements, design PLC programs, write and execute system tests.
• Follow required test processes as defined by Lead/Manager.

Must-Haves

6years of Hands‑on experience in PLC programming.

6years of Hands‑on experience in configuring and commissioning Servo Drives and VFDs.

6years of Hands‑on experience in motion control programming in PLC for servo drives.

Good communication skills.

A strong “can‑do” attitude.

Willingness to learn.

Ability to work effectively in a team.

Bachelor's degree - B.E./B.Tech Electrical / Instrumentation / Electronics / Mechatronics / MSc Electronics, Electrical

Minimum of 2years of stability with each company

*******

Notice Period: Immediate to 30days.

What will you do?

• Oversees testing, deployment & maintenance of the Voice infrastructure.
• Performing a variety of tasks associated with user provisioning and call routing within the assigned platform 
• Build loaders for internal systems ensuring tasks are completed accurately and in a timely manner
• Participate in meetings with clients and internal departments to understand the requirements of call routing
• Document and design call flow diagrams to ensure that all call variables have been accounted for in preparing a routing plan
• Support the clients solution by correcting any issues with call routing or provisioning during the initial implementation phase, constantly communicating status of any issues with client
• Complete testing to ensure that call flow is operating properly
• Monitors and ensures compliance to standards, policies, and procedures

What are we looking for?

• 0.6~2 year’s implementation experience in Asterisk PBX, IP Telephony, SIP.
• Able to thrive in a demanding and team-oriented environment
• Basic and strong knowledge of the Linux operating system.
• Knowledge of bash and perl shell scripting is an added advantage.
• RHCE Certification is an added advantage.

• 8+Years of Exp in C++ Developement

Software: C++, Jenkins, Visual Studio, Linux, CheckMarx, GitHub, Google test framework.

Application Architecture: Scalable, Resilient, Cloud deployable, high performance based.

DB: Oracle

Libraries: CPLEX (knowledge of CPLEX is a plus)

1. Developing HMI application in Qt or similar UI frameworks
2. Develop C++ or Rust backends for the HMI
3. Understand and optimize potential performance bottlenecks

• Experience  4 - 8 years
• Key Skills for Software Developer C++, Linux :
• - Looking only for candidates who can join immediately or max 10 day
• - should be able to work independently with no handholding
• - the ability to work with C/C++ code on Windows/Linux platforms
• - Database knowledge of MSSQL, Oracle, MySQL/MariaDB, ideally other ones too: Saphana, Teradata, Postgres.
• - Ability to work on their own fixing defects
• - should be able to understand secure coding practices
• - should have the Ability to work independently and with the team across different time zones

The Network Engineer position provides a secure network infrastructure and resolves any network security related findings. Evaluate and analyze new technologies for potential applicability to business needs. Design, install, and support the network infrastructure capable of supporting the business processes at Citizens Energy Group. Design, test, and implement a disaster recovery process and procedures for the network infrastructure. Maintain a solid technical knowledge of computer hardware, software and applications available within the industry to support our current systems and assist in planning future directions.

Detailed Description

Essential Duties and Responsibilities:

• Responsible to provide on-call support in a 24/7 environment and remedy network outages or other interruptions.
• Maintain existing network equipment, installing new equipment and replacing faulty equipment in plant environments. Vendor and warranty management for network hardware and software.
• Design, implement, document, and test Disaster Recovery process and procedures for network infrastructure
• Manage network infrastructure backup and recovery processes
• Security and critical IOS update patch management
• Advise team for network infrastructure-related issues
• Proactive monitoring of to identify outages, service degradation, or security threats and responding accordingly
• Prepare, maintain, and adhere to procedures for logging, reporting, and statistically monitoring network data.
• Design, implement, and maintain network infrastructure to meet SLA requirements
• Design, implement, and maintain Firewall infrastructure for internal and remote use.
• Design, implement, and maintain network management platform for proactive monitoring and management of network infrastructure
• Designing, maintaining, and effectively operating Local Area Networks (LANs) and Wide Area Networks (WANs), Wireless, Internet Connectivity, and Network Security
• Prepare and ensure accuracy of documentation, procedure manuals, and help sheets for network installations, including data, voice, and video systems.
• Assist in development of business continuity and disaster-recovery plans, and maintain current knowledge of the plan. Respond to emergency network outages in accordance with business continuity and disaster-recovery plans
• Performs other duties as assigned
• This position will require an onsite presence and 80% local travel, as it will be supporting our utilities in the Greater Indianapolis Area

Job Requirements

Required Qualifications:

• Four-year degree with emphasis in Computer Science, Computer Technology, MIS or equivalent experience.
• Minimum 5 years of designing and supporting network devices and network protocols (Network switches, Firewalls, Wireless controllers and APs, BGP, OSPF, EIGRP, SIP and layer 2 protocols Spanning Tree, VPC, VDC and VTP).
• Experience with Watchgaurd Firewall, Active Directory, NPS, and RADIUS configurations
• Good interpersonal skills to interact with customers and team members
• Strong organization skills to balance and prioritize work
• Ability to work independently and as part of a team

Developer Software (Embedded)

Location: Udaipur

Qualification: BE in (Electrical/Electronic Engineering)

Technical

· Experience in design and development with structured Software Development Life Cycle for embedded applications

· Proficiency in C language or assembly programming, Microcontroller, Micro Processor.

· Preferably experience in working and understanding the metering domain

· Proficiency in development processes, tools/IDE (KEIL, IAR, Eclipse) & test automation

· Unit testing skill

· Interface RS485, RS232, SPI, I2C, USB, LCD, Keypad, Flash, EEPROM

· Coding Standards and MISRA rules are preferable

· Knowledge of ARM / MIPS / Coldfire / MSP430 / dsPIC / 8051 and other popular processor

· Experience in working on communication products based on GPRS, ZIGBEE, ZWAVE, Ethernet, Power line communication, DLMS, MODBUS

Job Description

· Understand improvement requirements and develop improvement solutions & package, according to technical specifications / high-level solution design

· Responsible to carry out effective and timely unit testing, in order to, deliver first time right solutions

· Development of automation framework/compiler / emulators to speed up business delivery cycle in NPI programs

· Keep track of new trends, continuously learn and self-develop skills by ensuring effective knowledge sharing through group meetings and training. Impart training to new joiners as and when assigned

· Proficiency in developing embedded software design with high reusability using relevant tools and BSM or flow diagram