# Sr Principal Software Engineer Jobs

300 sr principal software engineer jobs. Top employers: SpaceX, Anduril Industries, Blue Origin, and 5 more. Salaries from $30K–$500K. Most roles in San Francisco, Costa Mesa, California, United States, San Francisco, CA, US.

300 open roles · page 1 of 20

**Sr. Principal Aeronautical Engineer -Test and Evaluation Lead** at Northrop Grumman
El Segundo; United States-California-Redondo Beach, CA | FULL_TIME | USD 142K–213K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/sr-principal-aeronautical-engineer-test-and-evaluation-lead-R10256019) | [JD](https://zerogtalent.com/api/agent/job/sr-principal-aeronautical-engineer-test-and-evaluation-lead-R10256019)

**Principal Systems Engineer - Space Vehicle** at BlackSky
Tukwila, WA | PART_TIME | USD 185K–200K/yr
[Apply](https://zerogtalent.com/space-jobs/blacksky/principal-systems-engineer-space-vehicle-8872096002) | [JD](https://zerogtalent.com/api/agent/job/principal-systems-engineer-space-vehicle-8872096002)

**Sr. Principal Systems Engineer - Configuration Manager** at Northrop Grumman
Redondo Beach; United States-California-El Segundo, CA | FULL_TIME | USD 142K–213K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/sr-principal-systems-engineer-configuration-manager-R10256002) | [JD](https://zerogtalent.com/api/agent/job/sr-principal-systems-engineer-configuration-manager-R10256002)

**Sr Principal Engineer Software – Lead SW Test Engr (26-453 Space AHT)** at Northrop Grumman
Colorado Springs, CO | FULL_TIME | USD 129K–194K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/sr-principal-engineer-software-lead-sw-test-engr-26-453-space-aht-R10256461) | [JD](https://zerogtalent.com/api/agent/job/sr-principal-engineer-software-lead-sw-test-engr-26-453-space-aht-R10256461)

**Sr Principal Engineer Software – SW Architect (26-461) Space AHT** at Northrop Grumman
Huntsville, AL | FULL_TIME | USD 136K–204K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/sr-principal-engineer-software-sw-architect-26-461-space-aht-R10256480) | [JD](https://zerogtalent.com/api/agent/job/sr-principal-engineer-software-sw-architect-26-461-space-aht-R10256480)

**Supply Chain Planning Specialist 3/4** at Northrop Grumman
Rocket Center, WV | FULL_TIME | USD 81K–122K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/supply-chain-planning-specialist-3-4-R10256982) | [JD](https://zerogtalent.com/api/agent/job/supply-chain-planning-specialist-3-4-R10256982)

**Sr. Staff Data Engineer** at Illumio
HQ - Sunnyvale (Office) | FULL_TIME | USD 208K–250K/yr
[Apply](https://zerogtalent.com/frontier-jobs/illumio/sr-staff-data-engineer-4adc6861-0899-42b8-adf1-be75d766cae1) | [JD](https://zerogtalent.com/api/agent/job/sr-staff-data-engineer-4adc6861-0899-42b8-adf1-be75d766cae1)

**Space Principal/Sr. Principal Mission Validation Lead Systems Engineer** at Northrop Grumman
Linthicum, MD | FULL_TIME | USD 109K–163K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/space-principal-sr-principal-mission-validation-lead-systems-engineer-R10255742) | [JD](https://zerogtalent.com/api/agent/job/space-principal-sr-principal-mission-validation-lead-systems-engineer-R10255742)

**Sr. Security Engineer (Infrastructure)** at SpaceX
Bastrop, TX | FULL_TIME
[Apply](https://zerogtalent.com/space-jobs/spacex/sr-security-engineer-infrastructure-8893748002) | [JD](https://zerogtalent.com/api/agent/job/sr-security-engineer-infrastructure-8893748002)

**Principal Design Engineer** at Northrop Grumman
Rocket Center, WV | FULL_TIME | USD 89K–134K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/principal-design-engineer-R10257058) | [JD](https://zerogtalent.com/api/agent/job/principal-design-engineer-R10257058)

**Sr Software Engineer - Network & SDN - TeraWave** at Blue Origin
Greater Seattle Area; Cupertino, CA | FULL_TIME | USD 249K–348K/yr
[Apply](https://zerogtalent.com/space-jobs/blue-origin/sr-software-engineer-network-sdn-terawave-R74027) | [JD](https://zerogtalent.com/api/agent/job/sr-software-engineer-network-sdn-terawave-R74027)

**Sr Software Engineer - Network & SDN - TeraWave** at Blue Origin
Greater Seattle Area; Cupertino, CA | FULL_TIME | USD 249K–348K/yr
[Apply](https://zerogtalent.com/space-jobs/blue-origin/sr-software-engineer-network-sdn-terawave-R74201) | [JD](https://zerogtalent.com/api/agent/job/sr-software-engineer-network-sdn-terawave-R74201)

**Principal / Sr. Principal Facilities Systems Integrator & Process Specialist (Level 3 or 4)** at Northrop Grumman
Palmdale; United States-Florida-Melbourne; United States-Utah-Clearfield; United States-Florida-Saint Augustine; United States-California-El Segundo, CA | FULL_TIME | USD 81K–141K/yr
[Apply](https://zerogtalent.com/space-jobs/northrop-grumman/principal-sr-principal-facilities-systems-integrator-process-specialist-level-3-or-4-R10255420) | [JD](https://zerogtalent.com/api/agent/job/principal-sr-principal-facilities-systems-integrator-process-specialist-level-3-or-4-R10255420)

**HMI D&E - Sr. Software Engineer, Product Security & ADP - Tainan, Taiwan** at ASML
Tainan, Taiwan | FULL_TIME
[Apply](https://zerogtalent.com/frontier-jobs/asml/hmi-d-e-sr-software-engineer-product-security-adp-tainan-taiwan-J-00354065) | [JD](https://zerogtalent.com/api/agent/job/hmi-d-e-sr-software-engineer-product-security-adp-tainan-taiwan-J-00354065)

**Principal Software Engineer** at Rocket Lab
Tucson, AZ | FULL_TIME
[Apply](https://zerogtalent.com/space-jobs/rocket-lab/principal-software-engineer-8040501003) | [JD](https://zerogtalent.com/api/agent/job/principal-software-engineer-8040501003)

[Next page](https://zerogtalent.com/sr-principal-software-engineer-jobs.md?page=2)

---
*Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*