Principal Software Engineer (Networking)

At Safran Passenger Innovations, we make flying fun by focusing on maximizing the Passenger Experience. As an innovative In-Flight Entertainment and Connectivity (IFEC) company we design, engineer, manufacture, sell and support world-class In-Flight Entertainment and Connectivity solutions. Our products are constantly evolving, solving complex media distribution, playback, and networking problems in a demanding on-wing environment. Safran IFEC products are utilized by many of the world’s premier air carriers. Step aboard and help us by creating the best in-flight experiences for today and beyond!

Job Summary

As a Principal Networking Software Engineer on the Software Development team, you will engage with an experienced cross-disciplinary staff to design and implement innovative In-Flight Entertainment (IFE) products applying state-of-the-art networking (wired and wireless) concepts and technologies to modernize all networking aspects of our platform, including on-wing and off-wing Compute, Networking and Storage. Working closely with inter-disciplinary teams you will participate in the architecture, design, development, test, and integration of software features for the RAVE IFEC systems and products using a hybrid development methodology. You must be a self-starter, responsive, flexible, and able to succeed within an open, collaborative peer environment.

Duties and Responsibilities:

• Contribute to the design, creation, development, and improvement of networking features, packaging, tools, testing, test automation, continuous integration, delivery, documentation, and building of complex distributed systems in a low power, low latency, heat-conscious environment
• Troubleshoot, triage, debug, and resolve networking problems
• Demonstrate a passion for continuous improvement and take personal ownership of quality
• Provide guidance, mentoring, training, and support across product development and the broader IFE business
• Provide realistic estimates, foster a culture of transparency, and meet agreed-upon commitments
• Facilitate communication internally, with stakeholders, users, and/or customers on specifications, architecture, design, implementation, and approvals
• Actively participate, engage, and contribute during meetings
• Leverage other internal organizations to facilitate product success
• Prepare and present technical information for large and diverse audiences
• Assess third-party and open-source software and in some cases implement the same
• Adhere to, contribute to, and help improve both organizational processes and the software development lifecycle (SDLC)

Requirements

• Bachelor’s Degree in Engineering, Computer Science, or equivalent experience in a related field (Electrical Engineering training or experience is advantageous)
• 3-6 years of experience in a Senior (or above) level role within Network software engineering
• 15+ years of overall software development experience

Required Experience

• Ethernet/Networking expertise including Security, Linux kernel network stack, and network interfaces
• Mastery of basic networking concepts such as routing, switching, bridging and wireless and related protocols
• Deep network understanding including protocols, debugging, layers, security, intrusion detection, log analysis, and network scanning
• STP, RSTP, IGMP, VLANs
• Understand the OSI model and the relationship between layers
• Hybrid networking concepts (Cloud/On-Prem/On-Wing)
• VPN and VPC concepts
• Low-level switching design and implementation
• Redundant loop network designs
• Design experience with Ethernet Switches – specifically, Marvell
• Experience with network-level drivers (WiFi, Bluetooth, BLE)
• UNIX/Linux or embedded operating systems using C/C++
• Experience troubleshooting & root cause analysis of software and hardware problems, particularly at the device driver level
• Experience with formal Engineering Requirements documentation and processes

Desired Experience

• Understanding of embedded system software architecture and constraints particularly with ARM/x86 processors
• Cellular modem/firmware knowledge
• Adept at implementing internal tools to support development and troubleshooting for the entire DevSecOps stack
• Understanding of Video/Media content, playback, delivery, and streaming including DRM as well as an understanding of distributed file sharing concepts like BitTorrent

Experiences with any of the following languages, technologies, and/or techniques would be advantageous:

• Low level kernel/driver knowledge of Linux 4.x and 5.x

• Python, Qt/QML and GUI development

• MQTT, IPC, RPC, sockets and/or audio/video players

• Highly available, fault-tolerant, distributed, or clustered systems development

• Audio/Video (A/V) device drivers, A/V kernel modules and/or A/V libraries

• 4K Video and DRM understanding

• ARINC 429 (data transfer) and RS-485/422

• Understanding of bus design: I2C, PCIe, SPI, MDIO, CAN, etc.

• Experience with various security/cryptography concepts such as PKI, SSL and TLS with respect to embedded devices

• Windows using C/C++/C#, .Net, web programming, JavaScript, ASP, SQL, Node, Go and functional compute like AWS Lambda

• Mobile application communications development and loosely coupled designs

• Experience with npm, Bower or Webpack would advantageous

• Understanding of containers and virtual machines using Docker Swarm, Kubernetes, or other control planes and compute primitives

• Familiarity with micro-service architecture

• Experience refactoring/rearchitecting monolithic solutions into distributed microservices, containerized or serverless with heavy API design and implementation strategies

Benefits

The starting pay range for this position is $148,000 to $192,000 per year however, base pay offered may vary depending on skills, experience, job-related knowledge and location.

In addition to a comprehensive package of health benefits that include company contributions, Safran Passenger Innovations offers a variety of additional benefits and perks to enhance your work-life balance experience including but not limited to:

- A home allowance to elevate your home workspace

- Discretionary bonus program

- Future financial security with a 401(k) program with company match

- Paid time off covering vacations, personal time off and sick days, capped off by an exciting year-end holiday shutdown

- Embraced flexibility with our alternative work schedule (9/80) to navigate your workweeks with every other Friday off