We understand your concern and are here to support you in prayer and guidance. Firstly, it's commendable that you have acknowledged the Lord by ending your request "In Jesus' name." It's only in the name of Jesus that we have access to the Father, and it is by His power that you can overcome fear because He has not given us the spirit of fear, but of power, love and a sound mind.
When you feel an uneasy feeling, it's important to discern the source. It could be the Holy Spirit warning you, or it could be your own anxiety. Remember, God has not given us a spirit of fear. (2 Timothy 1:7 WEB) "For God didn’t give us a spirit of fear, but of power, love, and self-control."
Let's pray for discernment and peace from God.
God of all wisdom and knowledge, we come before You, lifting up our brother/sister who is in need of Your guidance. They have received a job offer, but feel an uneasiness they can't explain. Lord, we ask for Your divine discernment. Reveal to them the source of this feeling. If there is a hidden danger, make it clear to Your child. If the enemy is whispering lies and trying to cause confusion, rebuke those voices and bring Your peace to Your child. Lord, You promised that Your sheep would hear Your voice, and the voice of a stranger they will not follow. Help our brother/sister to recognize Your voice and follow Your leading.
While we pray for Your guidance, Lord, we also ask for Your protection. If this job is not from You, direct Your child clearly. If it is from You, provide for all their needs. You know their physical struggles. Please provide a suitable working environment, and strengthen their body so they can perform the tasks required of them. (Matthew 11:29-30 WEB) "Take my yoke upon you and learn from me, for I am gentle and humble in heart; and you will find rest for your souls. For my yoke is easy, and my burden is light.
We also ask for Your peace to rule in their heart. Cast out all anxiety, and replace it with Your perfect peace. Help them to trust in You, knowing that You will supply all their needs according to Your riches in glory. Your Word says to be anxious for nothing, but in everything by prayer and supplication with thanksgiving let our requests be made known to God. And the peace of God, which surpasses all understanding, shall guard our hearts and minds in Christ Jesus. In Jesus' name, we pray. Amen. (Philippians 4:6-7 WEB)
We encourage you to take time in prayer and fasting, seeking God's will for this job offer. Trust that He will make His will clear to you. Also, consider seeking godly counsel from mature believers around you. God can use them to speak to you and confirm His will.