If you vehemently disagree with the core business of a company and you can easily find an equivalent job at a better company, why does your position in that company have any impact on your decision to work for that company? How is building analytics software for Exxon to help them produce oil any better than a lawyer who works to ensure they can continue producing oil? As the engineer, you know your company is "working to absolve the industry from any responsibility for climate change" You know that's wrong but you can dismiss your responsibility in helping them grow and be successful? This is just lying to yourself.