Titus 2:7 says, In all things shewing thyself a pattern of good works: in doctrine shewing uncorruptness, gravity, sincerity, Paul told Titus that he was to be a good example for others in all that he did so that God might be glorified by his works. This did not mean that he would be saved by his works, but that his works would show that he was saved. Paul also said that Titus was to have his doctrine show uncorruptness, gravity, and sincerity. If this weren't true, then his works would never be good examples for others. We must always be uncorrupted in our doctrine of God.
Verse eight adds, Sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of you. Paul then told Titus that he was to be sound in what he said so that what he said could not be condemned. He also said that those who proclaimed something other than God's truth should then be ashamed and have nothing evil to say about Titus. Our speech should never be anything that does not point others to Jesus Christ and bring glory to God.
Verse nine continues, Exhort servants to be obedient unto their own masters, and to please them well in all things; not answering again; Paul told Titus to exhort servants to be obedient to their masters and to please them in all things. I believe this would have excluded anything that went against God's word and would only apply to things that don't. As followers of Christ, we should be obedient to our employers as long as what they require us to do does not contradict God's word.
Verse ten concludes, Not purloining, but shewing all good fidelity; that they may adorn the doctrine of God our Saviour in all things. God said Titus was not to purloin, or steal, but was to show good fidelity, or faithfulness to those in power over him. Once more, I believe this would exclude being faithful to his employer if doing so contradicts God's word. By doing this, the servants would adorn, or display, the doctrine of God in all things. For this same reason, we should do our best when we are at work. We need to always point others to Christ in the way we work for others.