Millennium Corporation

Information Systems Security Officer III

Job Locations US-FL-Orlando
Posted Date 1 day ago(6/24/2022 3:38 PM)
Job ID


Millennium is a strategic management, cybersecurity and systems engineering firm – driven by results and focused on people as we help our customers achieve mission success. With a proven track record of performance with the Army, Navy, OSD, DHS and other agencies, Millennium is a uniquely qualified and committed partner to the Federal Government.  It is through our work that the U.S. military and government are able to identify, manage and defeat threats.

What We Believe

We believe that diversity is a fact, inclusion is a choice.  At Millennium Corporation, we are inclusive. We celebrate multiple approaches and different points of view. We strongly believe that diversity drives innovation, and we are building a culture where differences are valued. We are always growing our programs and we offer tools to help our employees grow and manage their careers.


Millennium is an equal opportunity employer and does not discriminate or allow discrimination on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state, or local law. Millennium promotes affirmative action for women, minorities, disabled persons, LGBTQ+ and veterans.


Millennium Corporation is hiring an Information System Security Officer (ISSO) to work remote in the Orlando, FL area. Candidate must have at least an active Secret clearance.


  • Act as the primary Subject Matter Expert of our cybersecurity team and develop and maintain security artifacts under the Risk Management Framework (RMF)
  • Perform Continuous Monitoring and carry out mission used to obtain the Authority to Operate federal systems
  • Work alongside government ISSO counterparts
  • Address security findings, threats and participate in Annual Security Reviews
  • Maintain a POA&M in eMASS and address vulnerabilities in a timely manner
  • Keep the Assistant Program Manager informed of the security posture of their Information System. 


  • Have at least a Secret clearance to get started
  • Education: Bachelor’s Degree and 8 years of experience or a High School Diploma with 13 years of experience
  • Possess between 3-6 years of experience in cybersecurity
  • Experience in DoD Risk Management Framework (RMF) DoDI 8510.01.
  • Have an IAM Level 2 certification – any of the following: (CAP, CASP+ CE, CISM, CISSP, GSLC, CCISO, HCISPP)
  • Knowledge of NIST 800-53, DoDI 8510.01, and the Department of the Navy (DON) Risk Management Framework (RMF) Guide.  
  • Knowledge of ACAS, DISA STIGs/SRGs, and eMASS
  • Effective writing, speaking, analytical skills

Business Development

Assist with Business Development activities as required to support Millennium's strategic business objectives, which may include but not limited to participation in technical interviews, creation of technical documentation, general proposal writing support and proposal color reviews.

Physical Requirements

  • Must be comfortable with prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift up to 10-15 pounds at a time.

Travel Requirements

10 - 15% as required by the customer


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