Avantages
I worked in Controllers organization and you will get lot of opportunities to learn the business. I've done financial reporting, operations accounting, process and controls, internal audit. Generally the rotation is about 3 years on average. You can't get bored but you have to learn fast. XOM has great expat policy and have great expat opportunities as well, if you're lucky to get on the list.
Inconvénients
Management sucks. In my 20 years career in XOM I had just few great managers who were developing their personnel. There is lots of politics and brown-nosing. Recent manager that I had was just thinking about how to promote herself and introduced inefficient and unnecessary initiative so it will look good on her performance. In general, XOM behind in implementing the latest technology (apart from core business, like engineering). My manager was afraid to implement technological efficiencies because it would require some extra access reviews to be done. It's like you shoot to the stars and she is still in the cave and doesn't want to go out. The other manager didn't even talk to his direct reports. We were wondering if he was fulfilling his responsibilities and what was going in the company. Although there are great managers who cares about personnel and develop them, if you're lucky, then you will do good and have fun at work. One of the most disappointing thing about XOM is that management is lying a lot. Like recent layoff based on performance. Lots of people are getting assessed as "need significant improvement" on unreasonable grounds. Coworker has been told that his communication required significant improvement and what matters is "...it's not what you do, it's how you do it". Most people who have gotten bad performance reviews didn't see it coming, meaning that management was satisfied with their work the whole year. Who needs to work on their communication? $1M question. The other important part is salary and benefits. XOM adds benefits like paternity leave, flex time because it's competitors introduced those and XOM was forced to do the same. Salary increase is minimum to none, company match gone (they are going to reinstate it back in October), health plan is expensive, 401K funds are low performers. Bad time for energy sector but board members did get their bonuses. Why?