Cyber Network Defender - Level 3

Fort Gordon, Georgia

Type: Direct-Hire

Category: Information Technology

Job ID: 51778

Date Posted: 11/19/2020

TPGS is a subsidiary of GAP Solutions and serves as the Government Intelligence Portfolio of the System One, LLC family of companies. Together, we support federal, defense and intelligence community customers to meet their mission objectives. Our core capabilities include Information Technology, Development and Engineering, Training, Security, Intelligence Analysis and Operations & Human Capital Management.


Cyber Network Defender - Level 3

Active Top Secret / SCI Clearance Required - No Sponsorship


Position Objective:

TPGS is seeking an experienced ISSO to support the US Army Intelligence and Security Command (INSCOM). Under the I2TS3 task order, INSCOM ensures reliable, uninterrupted availability of Command, Control, Communications, Computers, and Information Management (C4IM) including: networks, hardware, software, engineering, and specialized tools at the point of customer need to support INSCOM's mission. INSCOM and its MSCs provide the enabling layer to connect the Army and its tactical formations to defense and national intelligence agencies via tactical networks.


Duties and Responsibilities:

  • This position typically responsible for the Information Assurance Vulnerability Management (IAVM) program.
  • Incumbents of this position will regularly exercise discretionary and substantial decision-making authority.
  • Participates in technical research and development to enable continuing innovation within the infrastructure.
  • Ensures that system hardware, operating systems, software systems, and related procedures adhere to the DOD Risk Management Framework.
  • Ensure/enforce compliance of patches by actively scanning for successful/unsuccessful deployments and by preparing reports of compliance.
  • Ensure application servers, and Nessus scanners are compliant with FISMA, AV application IAVM/IAVA/IAVB, AD policies, application CTOs and INFOCONs., etc.
  • Create and manage any required mitigation statements for the exceptions STIGs as needed and perform the period STIG checks as needed.
  • Coordinate with all applicable NETC Enterprise EDTS groups, program managers, and site personnel to initiate corrective actions and help perform some of the tastings of new items (GPOs, STIGs, CTOs, and Patches).
  • Performs troubleshooting to isolate and diagnose universal HBSS/ACAS system and application problems; develop support documents and ensure continuous functionality.


Basic Qualifications:

  • HS Degree with 10 years’ experience, Associates with 8 years’ experience, Bachelors with 6 years’ experience or Masters with 4 years’ experience
  • IAT III Certification: CISSP, CASP, CySA+, CCNP Security, CISA, GCED or GCIH
  • Active TS/SCI Clearance required; CI Polygraph sponsorship possible if required by program


Desired Qualifications:

  • Experience and working knowledge of Security Configuration Compliance (Information Assurance Vulnerability Manager (IAVM/IAV Alert (*AVA)/IAV bulletins, STIG/SCAP)
  • Experience with installation, problem detection, resolution and maintenance on Microsoft (MS) Server 2012, 2008 R2, MS IIS 7.0 and newer, MS Windows 7 and Windows 10, Internet Explorer (IE) 11.0
  • Possess strong organizational skills to balance and prioritize work as well as ability to triage scenarios or bring in additional subject matter experts for problem resolution, as needed.
  • Adhere to Service Management Processes and Procedures (Change, Incident, Problem).



*This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required by this position.


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed above are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


TPGS provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job, email us at You will need to reference the requisition number of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a requisition number will not be returned.


TPGS is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status, political affiliation, genetic information, or any other legally protected status or characteristics.