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# Senior Systems Engineer

- **Company:** NK ENGINEERING, PLLC
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $110,000.0 - $175,000.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Public-Key Cryptography, Cyber Security, Software Debugging, Linux, Internet Protocol, Internet Protocol Security (IP SEC), OSI Models, Network Security, Routing, Network Protocols, Software Engineering, TCP/IP, Information Technology
- **Published:** August 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9092665/senior-systems-engineer

## About the Role

* Bachelor's degree in Systems Engineering, Computer Science, or related discipline.
 * 5-15 years of experience in Cybersecurity, Systems Engineering, or Network Security
 * Strong analytical and problem-solving capability.
 * Ability to research and design new technologies for integration into a system.
 * Strong written communication skills.
 * U.S. citizenship required; must be able to obtain and maintain a DoD Security Clearance at the Secret level; TS/SCI Preferred. Active Secret or TS/SCI Clearance ideal., * Model-based Systems Engineering (MBSE)
 * Functional Analysis, performance analysis, and Systems design
 * Linux
 * Full-Stack experience
 * DOORS
 * Ability to write CONOPS, Specifications or Requirements and derive into software design, code, test plans, and then execute Systems level testing/debugging.
 * Knowledge of network protocols, network and system design, Internet Protocols, routing, TCP/IP, OSI stack
 * Encryption techniques: Diffie Hellmann, Public Key Cryptography, IPSec, MACsec, TLS
 * Background in cryptographic device development and lifecycle.
 * Understanding of DoW cryptographic policies and publications (CJCSN 6510, NSA Cryptographic Equipment Decertification, National Manager Memos).
 * Knowledge of a wide range of High Assurance encryption products, including Secure Voice, Link Encryption, hardware and software.
 * Knowledge of DoD Programs of Record and acquisition process.
 * Understanding of fielding and replacement issues (e.g., ship avails, form/fit/power requirements.)

## Description

We are looking for a San Diego-based Senior Systems Engineer to join our team at NKI. This is a 100% onsite, full-time position following a 9/80 schedule.

What You Will Do

 * Provide technical support to the program cyber lead.
 * Advise on deployment of cryptographic equipment and mitigate emerging threats.
 * Provide subject matter expertise in encryption technologies.
 * Provide technical analysis of emerging cryptographic products in support of acquisition decisions.
 * Liaise with cryptographic device vendors to determine device lifecycle.
 * Provide briefings to leadership.
 * Support budget and fielding decisions.


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