Senior / Principal System Software Engineer

Position: Senior / Principal System Software Engineer (Cybersecurity & Distributed Systems)

Location: On-Site (Islamabad - Pakistan)
Experience: Minimum 10+ years
Compensation: 600k - 700k

About the Role

We are building next-generation secure communication systems, including Quantum Key Distribution (QKD) equipment and its surrounding software ecosystem.

This role is for engineers who design and build secure, high-uptime system software at scale. You will work across Linux systems, networking, cryptography, and system architecture, contributing directly to mission-critical cybersecurity products.

Key Responsibilities

• Participate in system software architecture and design for QKD equipment and associated systems
• Develop, configure, and maintain Linux-based cybersecurity system software
• Implement secure, high-availability system architectures
• Work with and integrate network management interfaces including SNMP, RESTCONF, and YANG
• Integrate and implement Key Management Systems (KMS)
• Ensure compliance with security standards and monitoring requirements
• Contribute to end-to-end system design, from concept through deployment
• Collaborate within Agile environments, enabling fast prototyping and lean delivery

Required Qualifications & Experience

• Bachelor’s or Master’s degree in Engineering or Computer Science
• 10+ years of experience in:
• Software design
• System architecture
• Programming

Core Technical Skills

• Strong structured programming skills in C/C++
• Proficiency in:
• Linux programming
• Bash scripting
• Python
• Extensive experience with:
• Linux OS setup and configuration
• Virtual machines and VM deployments
• Kernel-level development and drivers
• Embedded Linux environments (Debian, SUSE, etc.)

Systems & Networking Expertise

• Experience with:
• IP network system architecture
• System management protocols (SNMP, RESTCONF, YANG)
• Encryption standards and secure system design
• Proven ability to:
• Architect systems with cybersecurity built into the full lifecycle
• Design for high uptime, resilience, and operational reliability

Engineering Practices

• Strong experience with:
• Source control systems (Git)
• CI/CD pipelines
• Unit testing and documentation
• Comfortable working in:
• Agile development environments
• Fast prototyping and lean project management (e.g., Jira)
• Heavy user of AI-assisted development tools, including:
• GitHub Copilot
• Claude Code or similar integrated agents

Optional / Preferred Experience

• Knowledge of:
• Electronics and hardware design
• Reading schematics
• Hardware debugging and use of test/measurement equipment
• Experience with:
• Telecommunications hardware systems
• Common Criteria and certified security products

Why This Role

• Work on cutting-edge cybersecurity and QKD systems
• Solve real-world secure communication challenges
• Contribute to architecture-level decisions, not just implementation
• Build systems where reliability and security are non-negotiable

What Success Looks Like

• You design and deliver systems that are:
• Secure by design
• Highly available and resilient
• Scalable and maintainable
• You can take ownership from:
• Architecture → Implementation → Deployment

How to Apply

Kindly fill out the following details accordingly:
https://docs.google.com/forms/d/e/1FAIpQLSfixpNyVGRYqIZAfQmMcNdGc92w4sOqDuw6xbCOAf6v88zSDw/viewform

• Details of system-level or security-critical projects you’ve worked on
• Examples of systems you’ve architected or contributed to
• GitHub or technical portfolio (if available)

Job Type: Full-time

Pay: Rs600,000.00 - Rs700,000.00 per month

Ability to commute/relocate:

• Islamabad: Reliably commute or planning to relocate before starting work (Preferred)

Location:

• Islamabad (Preferred)

Work Location: In person