| 2025 | Senior Engineer/Scientist – Specialist | $225,364Benefits $5,915Total $231,279 | $5,915 | $231,279 |
| 2024 | Senior Engineer/Scientist/Technical Officer | $239,507Benefits $5,370Total $244,876 | $5,370 | $244,876 |
| 2023 | Senior Engineer/Scientist/Technical Officer | $219,914Benefits $4,925Total $224,839 | $4,925 | $224,839 |
| 2022 | Senior Engineer/Scientist/Technical Officer | $195,601Benefits $4,520Total $200,122 | $4,520 | $200,122 |
| 2021 | Senior Engineer/Scientist/Technical Officer | $171,645Benefits $4,036Total $175,681 | $4,036 | $175,681 |
| 2020 | Senior Engineer/Scientist/Technical Officer | $208,939Benefits $3,624Total $212,563 | $3,624 | $212,563 |
| 2019 | Senior Engineer/Scientist/Technical Officer | $175,230Benefits $3,074Total $178,304 | $3,074 | $178,304 |
| 2018 | Senior Engineer/Scientist/Technical Officer | $154,636Benefits $2,061Total $156,696 | $2,061 | $156,696 |
| 2017 | Senior Engineer/Scientist/Technical Officer | $151,082Benefits $820Total $151,902 | $820 | $151,902 |
| 2016 | Senior Engineer/Scientist/Technical Officer | $149,858Benefits $785Total $150,642 | $785 | $150,642 |
| 2015 | Senior Engineer/Scientist/Technical Officer | $146,212Benefits $753Total $146,965 | $753 | $146,965 |
| 2014 | Senior Engineer / Scientist / Technical Officer | $146,527Benefits $739Total $147,266 | $739 | $147,266 |
| 2013 | Senior Engineer/Scientist/Technical Officer | $172,456Benefits $715Total $173,171 | $715 | $173,171 |
| 2012 | Senior Engineer/Scientist/Technical Officer | $135,538Benefits $687Total $136,225 | $687 | $136,225 |
| 2011 | Associate Engineer/Scientist/Technical Officer | $126,272Benefits $645Total $126,918 | $645 | $126,918 |
| 2010 | Associate Engineer/Scientist/Technical Officer | $132,946Benefits $543Total $133,489 | $543 | $133,489 |