Confirmed on the employer's own hiring board on Nov 12, 2026. First seen by Alion on Nov 12, 2026.
Job Summary
We are seeking an experienced Software Engineer with strong expertise in Cisco Firepower Management Center (FMC) and Firepower Threat Defense (FTD) development. The ideal candidate will have a solid background in network security products, Linux-based software development, and backend system programming using C, C++, Perl, and gRPC technologies.
The candidate will be responsible for designing, developing, enhancing, and maintaining security and networking features across Cisco security platforms, with a focus on scalability, performance, automation, and customer-driven requirements.
Key Responsibilities
Design, develop, and maintain software components for Cisco FMC and FTD platforms.Develop networking and security features using C/C++ on Linux environments.Implement and enhance management-plane and control-plane functionalities within FMC/FTD.Design and develop gRPC-based services and APIs for scalable communication between components.Develop automation and scripting solutions using Perl and Linux shell scripting.Troubleshoot and resolve complex software defects across security, networking, and platform layers.Analyze packet flows, control-plane interactions, and performance bottlenecks.Collaborate with architecture, QA, DevOps, and customer support teams for feature delivery and issue resolution.Participate in code reviews, design discussions, and architecture planning.Work closely with cross-functional teams to integrate security and networking capabilities.Contribute to CI/CD, build automation, and deployment processes.
Skill Requirements
Required Technical Skills
Core Technologies
- Strong programming experience in:
- C
- C++
- Perl
- Strong Linux system programming and debugging experience.
- Experience with:
- gRPC
- Protocol Buffers (Protobuf)
- REST APIs
Cisco Security Expertise
- Hands-on experience with:
- Cisco Firepower Management Center (FMC)
- Cisco Firepower Threat Defense (FTD)
- Security policy management
- Device management workflows
- Access Control Policies (ACP)
- NAT and VPN configurations
Networking Fundamentals
Strong understanding of:
- TCP/IP
- IPv4/IPv6
- Routing Protocols (OSPF, BGP, RIP)
- Switching Technologies (VLAN, STP, LACP)
- NAT/PAT
- ACLs
- DNS, DHCP
- IPSEC VPN
- SSL/TLS
- Network Security Concepts
Linux & Debugging
- Linux internals and system programming
- Multi-threaded application development
- Memory management
- IPC mechanisms
- Socket programming
- Core dump analysis
- GDB debugging
- Performance profiling
Development Tools
Experience with:
- Git
- Jenkins
- CI/CD pipelines
- Docker/Containers
- Jira
- Code review tools

