3+ years' experience using TEMPEST Specs NSTISSAM TEMPEST 1/92, CNSSAM TEMPEST 1-13, CNSSAM TEMPEST 01-02, AMSG 720B, AMSG 788A, AMSG 784, BTR:01:210, NATO SDIP-27. The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions.