Software Engineering jobs in Merrimack

62 open software engineering roles in Merrimack, read straight from employers' own career pages. Search and filter these.

1. Project Engineering Manager II
   BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
2. Project Engineering Manager III
   BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
3. Principal Software Engineer (Sign On Bonus Available)
   BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
4. Senior Principal Optical Engineer - EO/IR Systems
   BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
5. Senior Principal Optical Engineer
   BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
6. Chief Engineer for RF Space Payloads
   BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
7. RF Product Engineer
   BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
8. AI Application Developer (Greenbelt Certified)
   BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
9. Senior Principal II Software Engineer - Lead
   BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
10. Entry Level Research & Development Engineer
    BAE Systems · Merrimack, New Hampshire, United States · $79.4k–$134.9k
11. Senior Software Engineer - Space Applications - Sign-on Bonus
    BAE Systems · Merrimack, New Hampshire, United States · $97k–$164.9k
12. Electrical and Mechanical Lead Hardware Development Engineer - EO/IR products (Hybrid / Sign-on Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $153.4k–$260.7k
13. Electrical and Mechanical Lead Hardware Development Engineer - EO/IR products (Hybrid / Sign-on Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $136.6k–$232.2k
14. Optical Engineer
    BAE Systems · Merrimack, New Hampshire, United States · $79.4k–$134.9k
15. Program Engineering Manager I (Hybrid & Relocation Available)
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
16. Project Engineering Manager III (ON-SITE & Relocation Available)
    BAE Systems · Merrimack, New Hampshire, United States · $153.4k–$260.7k
17. Chief Engineer - EO/IR (ON-SITE & Relocation Available)
    BAE Systems · Merrimack, New Hampshire, United States · $153.4k–$260.7k
18. RF Engineer II
    BAE Systems · Merrimack, New Hampshire, United States · $79.4k–$134.9k
19. Senior Principal RF Engineer
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
20. FAST Labs - Software Engineer - All Levels - Secret
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
21. FAST Labs - Software Engineer - Early Career Levels - Top Secret
    BAE Systems · Merrimack, New Hampshire, United States · $79.4k–$134.9k
22. FAST Labs - Software Engineer - All Levels - Top Secret
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
23. FAST Labs - Software Engineer - Early Career Levels - Secret
    BAE Systems · Merrimack, New Hampshire, United States · $79.4k–$134.9k
24. FAST Labs - Senior Principal Engineer - EO/IR Systems ($10K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
25. Senior Quality Engineer
    Re:Build Manufacturing · Merrimack, NH
26. Senior Manufacturing Engineer
    Re:Build Manufacturing · Merrimack, NH
27. Electrical and Mechanical Lead Hardware Development Engineer - EO/IR products (Hybrid / Sign-on Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $136.6k–$232.2k
28. Missile Warning Chief Engineer (Hybrid)
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
29. Software Engineering Manager for Space Systems
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
30. Software Engineer II – Low Level Embedded Software
    BAE Systems · Merrimack, New Hampshire, United States · $64–$86/hr
31. FAST Labs - Senior Principal II RF Systems Research Engineer ($10K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
32. FAST Labs - Senior Principal RF Systems Research Engineer ($10K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
33. Principal Software Engineer – Algorithm Team
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
34. Manufacturing Engineer Intern Fall 2026
    Re:Build Manufacturing · Merrimack, NH
35. Senior Software Engineer - SIGN-ON BONUS
    BAE Systems · Merrimack, New Hampshire, United States · $97k–$164.9k
36. Hardware Lead (Senior Principal Engineer) - Hybrid
    BAE Systems · Merrimack, New Hampshire, United States · $133k–$226k
37. FAST Labs - Senior Principal II Engineer - EO/IR Systems ($10K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
38. FAST Labs Principal Software Engineer - Release Engineering & DevSecOps
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
39. Senior Principal II Optical Engineer
    BAE Systems · Merrimack, New Hampshire, United States · $149.6k–$254.3k
40. FAST Labs - Principal Software Engineer ($20K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
41. FAST Labs - Software Engineer II ($5K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $77.8k–$132.3k
42. Space Payload Prin Software Engineer - SIGN-ON BONUS
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
43. New Product Introduction Engineer
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
44. Hardware Engineering Lead - EO/IR products (Hybrid / Sign-on Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $136.6k–$232.2k
45. Integrated Survivability Solutions (ISS) Software Architect
    BAE Systems · Merrimack, New Hampshire, United States · $153.4k–$260.7k
46. Principal Optical Engineer - EO/IR Systems
    BAE Systems · Merrimack, New Hampshire, United States · $118.1k–$200.8k
47. FAST Labs - Senior Principal Software Engineer ($10K Sign On Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $130.4k–$221.6k
48. Senior Software Engineer – Control Algorithm, Pointer Tracker or Gimbal experience
    BAE Systems · Merrimack, New Hampshire, United States · $64–$86/hr
49. FAST Labs Chief Software Architect
    BAE Systems · Merrimack, New Hampshire, United States · $153.4k–$260.7k
50. FAST Labs - Senior Principal II Software Engineer - C++ CUDA ($25K Sign-on Bonus)
    BAE Systems · Merrimack, New Hampshire, United States · $146.7k–$249.3k

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