Millennium Corporation

Persistent Cyber Operator

Job Locations US-AL-Huntsville
Posted Date 1 day ago(12/3/2021 3:45 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 Persistent Cyber Operator in Huntsville, AL. Candidate must have an active Secret Clearance with eligibility to obtain a Top Secret/SCI Clearance.


The Persistent Cyber Operator will conduct multiple penetration tests of global customer networks, rapid development of domain or problem-specific tools that leverage identified vulnerabilities, research on the latest exploitation techniques and threat vectors, and design and configuration of representative test environments. 


Performs long term red team operations on enterprise level Windows based DoD networks.  Uses Cobalt Strike and other organically developed Command and Control (C2) and tools to move within networks without detection with an emphasis on long term persistence.  Gathers relative intelligence in accordance with customer objectives as required.  PCO operators should have a strong knowledge of Windows and Active Directory and be familiar with programming languages such as, but not limited to Python and C# to modify and develop tools.  Operators will be working on multiple missions simultaneously and will provide reports to Leads and Customers as required.


  • Must have an active Secret Clearance with eligibility to obtain a Top Secret/SCI Clearance 
  • Bachelor’s in computer science/Management of Computer Information/Information Assurance or Security. Experience may be substituted for degree.
  • Must be able to obtain a CEH & CISSP Certifications
  • SPECIALIZED experience in Red Teaming, Computer Network Attack (CNA), Computer Network Exploitation (CNE), Computer Network Defense (CND), and/or penetration testing
  • Ability to develop tools and scripts independently and rapidly from concept to production in a high-stress, short deadline, under-resourced environment using multiple programming languages

Additional Requirements: 

  • Experience with at least one of the following scripting languages (PowerShell, Bash, Python, Ruby, Node.js)
  • Experience performing web application security assessments
  • Experience with TCP/IP protocols as it relates to network security
  • Experience with offensive tool sets including Kali Linux, Metasploit, CobaltStrike, Intercepting Proxies, etc.
  • Experience in using network protocol analyzers and sniffers, as well as ability to decipher packet captures
  • Excellent independent (self-motivational, organizational, personal project management) skills
  • Proven ability to work effectively with management, staff, vendors, and external consultants
  • Ability to think outside the box and emulate adversarial approaches
  • Capable of conducting penetration tests on applications, systems and network utilizing proven/formal processes and industry standards.
  • Capable of managing multiple penetration test engagements, from cradle to grave, at the same time
  • In depth understanding of emerging threats, vulnerabilities, and exploits

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



Sorry the Share function is not working properly at this moment. Please refresh the page and try again later.
Share on your newsfeed