Software Engineer Salary in Louisiana (2026)

Worth knowing: Entergy HQ New Orleans is one of the country's largest investor-owned utilities HQ'd outside the major coastal tech metros and a feature most national SE surveys understate for LA. Entergy (Fortune 500, ~$13B revenue, ~13K total employees, founded 1949 as the holding company combining four Mid-South utility operating companies + post-1993 spinoff from Middle South Utilities) serves ~3M customers across Louisiana, Mississippi, Arkansas, and southeast Texas with substantial in-house engineering supporting grid SCADA + advanced metering infrastructure + customer-facing platforms + regulatory rate-case analytics + Grand Gulf Nuclear + River Bend Nuclear plant operations + Waterford 3 Nuclear. Senior Entergy engineers clear $130-195K. Ochsner Health (Fortune private, ~36K employees, the country's largest US health system HQ'd in LA + largest LA private employer) operates substantial Epic + clinical informatics + telehealth platforms supporting ~40 hospitals + ~400 clinics across LA + MS + AL + TX. Lamar Advertising HQ Baton Rouge (Fortune 1000, ~$2.2B revenue, founded 1902 in LA) operates substantial proprietary digital billboard + outdoor advertising tech as the country's largest pure-play out-of-home advertising company. LA's flat 3% rate (post-2024 Act 11 of the Third Extraordinary Session reform from progressive 1.85-4.25%) is substantially lower than OR + MN + CA's 9.85-13.3% tops + LA standard deduction $12,500 single doubled in same reform + LA RTW since 1976 + no state estate tax (repealed 2008). The 2024 reform package also repealed LA's federal income tax deduction for individuals — a distinctive pre-2025 LA feature now eliminated — raising effective LA tax for higher earners but leaving the headline 3% rate among the lowest US flat-tax states.