Information System Security Officer (ISSO)- Junior

Cyber Defense Technologies
Chantilly, Loudoun County, VA
Overview : CDT is looking to add a Information Systems Security Officer (ISSO) to provide advice and assistance to secure configuration and operations to the customer’s IT assets. This position will be onsite in Chantilly, VA.

Clearance : An active Top Secret/SCI clearance with CI Poly is required. Candidates who do not meet these clearance requirements will not be considered.

Qualifications:
  • Master’s Degree and 2 years work experience, Bachelor’s Degree and 3 years of work experience or equivalent, Associates Degree and 6 years of work experience or equivalent, High School/GED and 8 years of work experience or equivalent.
Responsibilities:
  • Performs assessments of systems and networks within the networking environment or enclave and identifies where those systems/networks deviate from acceptable configurations, enclave policy, or local policy. This is achieved through passive evaluations (compliance audits) and active evaluations (vulnerability assessments).
  • Establishes strict program control processes to ensure mitigation of risks and supports for obtaining certification and accreditation of systems. This includes process support, analysis support, coordination support, security certification test support, security documentation support, investigations, software research, hardware introduction and release, emerging technology research inspections, and periodic audits.
  • Assists in the implementation of required government policy (e.g.,, NISPOM, DCID 6/3), and makes recommendations on process tailoring.
  • Supports the formal Security Test & Evaluation (ST&E) required by each government accrediting authority through pre-test preparations, participation in the tests, analysis of the results, and preparation of required reports.
  • Performs analyses to validate established security requirements and recommends additional security requirements and safeguards where required.
  • Supports the formal Security Test & Evaluation (ST&E) required by each government accrediting authority through pre-test preparations, participation in the tests, analysis of the results, and preparation of required reports.
  • Periodically conducts a review of each system’s audits and monitors corrective actions until all actions are closed.
Desired Qualifications:
  • Provide guidance on system security, assessment and authorization issues, and INFOSEC policy and security vulnerabilities.
  • Support comprehensive investigations into all related data spills and IT incidents at both government and contractor sites.
  • Ability to troubleshoot technical configurations and make recommendations on the protection of classified and sensitive data.
  • Development and maintenance of all SSP documentation and risk analysis.
  • Responsible reporting of security related incidents including development of protective or corrective measures to discover vulnerabilities.
  • Familiarity with conducting research and analysis, network and information system security principles and best practices, and controlling, labeling, virus scanning, and transferring data between information systems at varying classification levels.
Why Join Cyber Defense Technologies?
At CDT, we offer a collaborative and inclusive work environment where your expertise can help shape the future of cybersecurity and engineering solutions.

Compensation and Benefits:
  • Competitive salary based on experience.
  • Comprehensive benefits package, including health, dental, and retirement plans.
  • Opportunities for professional development and career advancement.
CDT is committed to hiring and retaining a diverse workforce. We are an Equal Opportunity employer making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class.

Apply Now:
If you are a proactive ISSO and thrive in dynamic environments, we encourage you to apply and join the CDT team!
Posted 2025-10-06

Recommended Jobs

Principal Risk Specialist

Capital One
McLean, VA

Overview Principal Risk Specialist Principal Data Risk Associates at Capital One are highly motivated risk management professionals with excellent organization and communication skills. They h…

View Details
Posted 2025-11-03

Cardiothoracic Physician Assistant

Palm Careers
Winchester, VA

 We are hiring an experienced cardiothoracic physician assistant / nurse practitioner with extensive EVH experience, Cardiac OR first assisting experience at a BEAUTIFUL Hospital in Central Virginia…

View Details
Posted 2025-07-31

Car Wash Attendant - 34019

Hertz
Charlottesville, VA

If you're looking for the benefits of joining an industry leader, with a high-charged, energy-filled environment, then you can stop looking, because you have found what you're looking for in the Car…

View Details
Posted 2025-09-29

ServiceNow Portal Administrator, Senior

Arlington, VA

ServiceNow Portal Administrator, Senior Position Description CGI Federal has an exciting opportunity for a ServiceNow Portal Administrator within our Intel sector advancing the national security…

View Details
Posted 2025-10-22

Supervisor I

Leesburg, VA

Since its launch in 1993 with a collection of six essential handbags, Kate Spade New York has always been colorful, bold, and optimistic. Today, it is a global lifestyle brand that designs extraordin…

View Details
Posted 2025-10-21

Teacher - Special Education Level 1

Fredericksburg, VA

Summary ...Summary Job Title: Teacher - Special Education Location: School Based Pay Grade: Teacher Salary Scale Work Calendar: 10 month (200 days) FLSA Status:...  ...assesses and evaluates …

View Details
Posted 2025-11-13

Engineer - DoubleTree by Hilton Crystal City

Hilton
Arlington, VA

The team of hospitality professionals at the DoubleTree by Hilton Washington DC - Crystal City as an engineer! This 627-room property is half a mile south of The Pentagon near I-395 and the Pentag…

View Details
Posted 2025-11-20

Technician (Heavy Equipment)

Shirley Contracting Company
Richmond, VA

_Shirley_ _prides itself on attracting,_ _developing_ _and retaining the best employees in the industry.  We hire ambitious and dedicated professionals to fill positions at all levels of our organizat…

View Details
Posted 2025-11-20

Director, Product Marketing Network Detection and Response (NDR)

Trellix
Richmond, VA

**_Job Title:_** Director, Product Marketing Network Detection and Response (NDR) **About** **Trellix:** **Trellix, the trusted CISO ally, is redefining the future of cybersecurity and soulful work.**…

View Details
Posted 2025-11-13

Directors Action Group Action Officer

SAIC
Chantilly, Fairfax County, VA

**Description** SAIC is seeking an Intermediate Director's Action Group (DAG) Action Officer to support our customer's Action Officer Functions at the program office level. The position is located in …

View Details
Posted 2025-11-18