Information Systems Security Officer II w/ Active TS/SCI Polygraph

Clearance Level
Top Secret SCI + Polygraph
Information Security
El Segundo, California

REQ#: RQ45777

Travel Required: Less than 10%

General Dynamics Information Technology is seeking an experienced Information Systems Security Officer to provide guidance and support to the Government regarding secure configuration and operation of the customer’s IT assets.   In this role, you will apply your knowledge and expertise in information system security concepts, practices and procedures to the Government on IT and information system security issues affecting the mission.  Performs all procedures necessary to ensure the safety of information systems assets and to protect systems from intentional or inadvertent access or destruction.  Participates in special projects as required.

**Position requires an active in-scope TS/SCI clearance and polygraph.**

BA/BS - Bachelor's Degree in Computer Science or a related technical discipline, or the equivalent combination of education, professional, training or work experience and 3 years’ information technology security, information systems security, information assurance engineering experience or MS degree + 2 years, or AS degree +6 years’, or HS +8 years’ experience.

Employees must possess and maintain, or obtain within six months from their arrival date, required IAT Level II compliant certifications (CCNA Security, GICSP, GSEC, Security+CE, SSCP) or higher. 


  • Familiarity with conducting research and analysis:
  • Familiarity with network and information system security principles and best practices;
  • Familiarity with controlling, labeling, virus scanning, and appropriately transferring data (uploading/downloading) between information systems at varying classification levels;
  • Thorough understanding and application of network security principles, practices, and implementations;
  • Working knowledge of cross-functional integration of information systems into a physical security environment;
  • Working knowledge of system functions, security policies, technical security safeguards, and operational security measures;
  • Understanding of system methodologies including but not limited to client server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, LAN, switches, and routers;
  • Familiarity with detecting and preventing computer security compromises in a networked environment;
  • Working knowledge of configuration management; system maintenance; and integration testing;
  • Proficient in the use of tools used to prevent and/or negate malicious code;
  • Understanding of COTS tools that scan at the physical layer of all removable and fixed media types including but not limited to: (CDs, hard drives, thumb drives, Zip/Jazz, etc.);
  • Ability to decipher and explain in clear language Intelligence Community Directive (ICD) 503;
  • Ability to support forensics and evidentiary preservation;
  • Ability to troubleshoot technical configurations and make recommendations on the protection of classified and sensitive data;
  • Demonstrated ability to translate technical information and information technology jargon into plain English;
  • Ability to apply a risk management philosophy when faced with security challenges and the  ability to articulate the pro’s and con’s in a clear concise manner;
  • Demonstrated proficiency with the following computer operating systems (e.g. Microsoft Windows, LINUX, UNIX, Mac OS, etc.);
  • Analytical ability to decipher complex technical configuration management documents;
  • Demonstrated proficiency with database maintenance;
  • Strong ability to elicit, articulate, and document information in a well-organized manner;
  • Demonstrated ability to work independent of close supervision;
  • Demonstrated experience with Microsoft Office Suite;
  • Familiarity with applicable agency, IC, DoD policies, procedures and operating instructions related to Information Technology, Information Assurance, Information Management (IT/IA/IM)
  • Excellent communication, interpersonal, and team-building skills to engender rapport with the military personnel, civilians, and other contractors at all levels;
  • An ability to prioritize work to meet deadlines, and to manage the workflow of the ISSO team;
  • Demonstrated ability to correlate audit results between various systems and/or users and notify the ISSM of any discrepancies.

Benefits of this Position:

  • Opportunity for Fast Growth within the program
  • Onsite Gym – get your workout in before work, during your lunch break, or at the end of the day
  • Professional Development Assistance – Covering the Cost of Obtaining Professional & Technical Certifications (depending on program)
  • Educational Reimbursement – toward degree programs and individual coursework
  • 401K Match
  • Health, Dental and Vision Coverage to keep you healthy, starting your first day
  • We know work-life balance is important, GDIT offers Paid Time Off, Plus 10 Paid Holidays
  • Parking and transit commuter benefits

Why Work at General Dynamics IT?

  • Work with top talent and some of the brightest minds in your field
  • Support missions that make a difference to our Nation
  • Become part of an organization that that is committed to the highest ethical standards in all that we do 
  • Thrive in the stability of a large organization, with the ability to move onto new opportunities, supporting different missions, building your career within GDIT
  • Want to move, or find a job close to home? We have positions in several locations in the United States and the world
  • Enjoy a culture that supports work-life balance

General Dynamics is a Fortune Blue Ribbon Company and Clearance Jobs Top 10 Government Contractor.

For more than 50 years, General Dynamics Information Technology has served as a trusted provider of information technology, systems engineering, training and professional services to customers across federal, state, and local governments, and in the commercial sector. Over 40,000 GDIT professionals deliver enterprise solutions, manage mission-critical IT programs and provide mission support services worldwide. GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.

We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.