Job Details. Cycle3 IT Staffing is seeking an IT Security Engineer for a contract to hire or permanent full time role. This individual will be helping us with the following. Implement NIST 800-171 and CMMC 2.0. Implementation on the systems side and compliancy and paperwork side of it as well. Candidates will have extensive experience in IT Security Engineer with NIST 800-171 and CMMC. Dice Id: 10329512. Position Id: STLjames5:10-1.