Millennium Corporation

Security Engineer - SIGINT/Information Assurance

Job Locations US-SC-Charleston
Posted Date 11 hours ago(6/14/2021 9:16 AM)
Job ID


Millennium Corporation is hiring a Security Engineer in Charleston, SC. Candidate must have an active Top Secret/SCI Clearance.


The Security Engineer will ensure quality in custom Signals Intelligence (SIGINT) capabilities developed for the USMC; and will provide engineering support for development and testing as required by the customer; which may include but not be limited to:

  • Perform Information Assurance Vulnerability Alert (IAVA), Information Assurance Vulnerability Alert Bulletin (IAVB), Security Technical Implementation Guidelines (STIG) and Command Task Orders (CTO) patching and software updates into the system baseline. And, provide a baseline configuration report following patches and software updates.
  • Perform all facets of cybersecurity including documenting integrated system architecture products (e.g. System Views ); developing Information Support Plans (ISPs), System Security Authorization Agreements (SSAAs) and Clinger-Cohen Act documentation; supporting DoD Interoperability Communications Exercise
  • (DICE) planning and test events; and developing necessary documentation to support Joint Interoperability Test Command (JITC) certifications; support on a continual basis as determined by the Approving Officer (AO) for the equipment suite under SCI COMMS; monitoring of and reporting impacts of all IAVA, IAVB, STIG and CTO changes made to systems.
  • Provide support to NIWC Atlantic’s Cybersecurity Lead on Risk Management Framework (RMF) packages and requisite authorization boundaries.
  • Provide support for development and review of Cybersecurity practices associated with program packages, prior to submission to the Security Control Assessor (SCA) and AO.
  • Prepare audit reports on the completeness of these packages and identify problems, trends, corrective actions and issues related to non-compliance with policy.
  • Attend/participate in the SCI COMMS FoS Team Meetings and WIPTs noting action items and resolution; and produce Cybersecurity metrics, Certification and Accreditation (C&A) status reports.
  • Research and develop white papers identifying government, contractor, vendor roles as they pertain to the successful execution of Cybersecurity directives, including developing Standard Operating Procedures (SOPs) and training for Cybersecurity and C&A policy. Generate documentation in support of ICD 503 processes and identify, receive, resolve action items and support (JITC) certifications.
  • Review for applicability, monitoring, and impacts of all IAVAs, IAVBs, STIGs and CTOs; perform Cybersecurity Scans for SCI COMMS FoS supporting programs, test security controls & conduct assessments, and validate and mitigate system vulnerabilities.
  • Ensure Cybersecurity documentation/testing aligns with acquisition strategy, System Integration Test (SIT), Developmental (DT) and Operational Testing (OT), verification activities (Test Planning, Coordination, Execution, Evaluation and Reporting), development of Test Documentation (Plans, Procedures, Reports, Estimates, Memoranda and TIRs), system testing of the SCI COMMS Family of Systems (FoS), and support activities for software replacement to operational systems and management of the Satellite Access Requests (SARs) required for RF testing.
  • Communicate and collaborate well with team members.
  • Work with developers and designers to understand design decisions.
  • Talk with users and leadership to understand the exact need and expected functionality.
  • Perform problem solving activities with developers to understand what is causing the potential issue.


  • BS degree in Engineering or Physical Science preferred.
  • Six years of experience in relevant technical field, to include: Technology Analysis and Assessment, Design Definition, Development of Systems Specification, Systems Analysis, Systems Architecture, Systems/Equipment Integration, Test & Evaluation Criteria, and Logistics support of C4ISR requirements.
  • Experience preferred with portable, automated, Signals Intelligence (SIGINT) and Electronic Warfare (EW) processing, analysis, and reporting capabilities; preferably with US Navy and/or USMC capabilities.
  • Experience preferred with the technical and operational functions of other SIGINT/EW assets and providing communications connectivity for data exchange with these systems.
  • Experience preferred with open systems integration, service-oriented architectures, and systems of systems.
  • Knowledge of Agile development methodology; JIRA; UX design and development preferred.
  • Knowledge of microservices architectures preferred.
  • Complex problem-solving skills and detail oriented.

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

Infrequent, as required to support program operations.

About Us

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 is able to identify, manage and defeat threats.


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