Top 360 Computer Networking Security Jobs in Washington, DC

Information Systems Security Officer (ISSO) II
General Dynamics Information Technology —Washington, DC
- $97,240 - $131,560 a year
- Travel
- Experience equivalent to degree accepted
- Senior level
Job Posting Title Information Systems Security Officer (ISSO) II - Washington, DC area
General Dynamics Information Technology —Washington, DC
- $96,569 - $130,651 a year
- Travel
- Experience equivalent to degree accepted
- Senior level
- Paid time off
- 401(k) matching
14d
Cybersecurity Admin
Saliense Consulting LLC —McLean, VA
- Full-time
- Remote
- 5 years
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Cybersecurity Compliance Auditor / Security Control Assessor (SCA)
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $100,000 - $245,000 a year
- Full-time
- Computer science
- Computer Science
- 5 years
- Disability insurance
- Health insurance
Mid Level Security Assessor
Saliense Consulting LLC —McLean, VA
- Remote
- 5 years
- Mid-level
- Business
- Health insurance
- Dental insurance
Quick Apply
SME Security Control Assessor
IMAGINEEER LLC —Arlington, VA
- $45 - $50 an hour
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Mid-level
- Work from home
Quick Apply
Cybersecurity Technician
Howard Community College —Columbia, MD
- $50,488 - $66,347 a year
- Overtime
- Computer Science
- Research
- Mid-level
- Dental insurance
- Tuition reimbursement
Intermediate Security Assessor
Saliense Consulting LLC —McLean, VA
- Remote
- 8 years
- Senior level
- Business
- Health insurance
- Dental insurance
Quick Apply
Information Systems Security Manager
University of Maryland —College Park, MD
- $175,000 - $200,000 a year
- Full-time
- Background check
- Azure
- Computer Science
14d
Jr Cyber Penetration Tester
Peraton —Arlington, VA
- $66,000 - $106,000 a year
- Bachelor's degree
- JavaScript
- 1 year
- Health savings account
- Paid holidays
Information Security Engineer I
EagleBank —Silver Spring, MD
- $87,723.00 - $119,493.60 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Bachelor of Science
- Health savings account
- 401(k) 4% Match
CIRT Tier 1 Analyst / Active Secret
Peraton —Beltsville, MD
- $80,000 - $128,000 a year
- Mid-level
- High school diploma or GED
- Analysis skills
- Health savings account
- Paid holidays
8d
Information Assurance and Security Specialist DC
AHU Technologies Inc —Washington, DC
- $80 an hour
- Full-time
- Hybrid work
- Windows
- Analysis skills
- Senior level
- Work from home
Quick Apply
IT Security Specialist III
GAMA-1 Technologies —Washington, DC
- Full-time
- Computer science
- Computer Science
- Bachelor's degree
- Paid holidays
- Disability insurance
Quick Apply
Security Analyst III
Bowman Consulting Group, Ltd. —Reston, VA
- $41 - $53 an hour
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Office
- Paid holidays
- Disability insurance
6d
Jr Cyber Penetration Tester / Secret
Peraton —Arlington, VA
- $66,000 - $106,000 a year
- Bachelor's degree
- JavaScript
- 1 year
- Health savings account
- Paid holidays
Data Analyst (Network Security)
Noblis —Washington, DC
- $59,200 - $112,150 a year
- Full-time
- Remote
- Computer Science
- Master's degree
- High school diploma or GED
- Health insurance
- Tuition reimbursement
13d
RMF / A&A Lead (NIH/HHS Experience)
Greenbrier Government Solutions, Inc —Washington, DC
- $158,000 - $185,000 a year
- Full-time
- Background check
- Azure
- 8 years
- Health insurance
- Dental insurance
Quick Apply
1d
2026 Graduate - Engineer/Researcher - Cyber Warfare Systems
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $85,000 - $165,000 a year
- Full-time
- Computer Science
- Engineering
- Master's degree
- Disability insurance
- Health insurance
12d
Cyber Security Engineer III
American University —Washington, DC
- $105,519 - $115,000 a year
- Weekends as needed
- Background check
- Customer service
- System design
8d

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Information Systems Security Officer (ISSO) II

General Dynamics Information Technology -
Washington, DC

Apply Now

Job Details

$97,240 - $131,560 a year

Qualifications

Security Authorization
Network documentation
GICSP
System administration
GSEC
Incident management
Technical documentation
TS/SCI
Reporting (security system operation)
IT system monitoring
IAM Level II
Firmware
Configuration management
Security policy Implementation (information security management)
Records management
Change management for system development
System risk assessment (security system operation)
Incident management operations support
CCNA Security
IAT
Senior level
Associate's degree
IAT Level II
2 years
Information security auditing
Security Testing
Audit support
IT security monitoring
Security policy compliance management

Full Job Description

Your Impact

Own your opportunity to support our nation's defense. Make an impact by connecting and securing critical operations across the globe, keeping our country safe and secure.

Job Description

The ISSO is responsible for ensuring the appropriate operational security posture is maintained for an information system and as such, works in close collaboration with the ISSM and ISO. The position shall have the detailed knowledge and expertise required to manage the security aspects of an information system and, in many organizations, is assigned responsibility for the day-to-day security operations of a system. This also will include physical and environmental protection, personnel security, incident handling, and security training and awareness.

It will be required to work in close coordination with the ISSM and ISO in monitoring the information system(s) and its environment of operation to include developing and updating the authorization documentation, implementing configuration management across authorization boundaries. This will include assessing the security impact of those changes and making recommendation to the ISSM.

The primary function is working within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secretary of Defense (OSD) and Military Compartments efforts. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.

Performance shall include:

Develop physical or logical topologies for a system
Assist the ISSM in meeting their duties and responsibilities.
Prepare, review, and update authorization packages.
Ensure approved procedures are in place for clearing, sanitizing, and destroying various types of hardware and media.
Conduct periodic reviews of information systems to ensure compliance with the security authorization package.
Coordinate any changes or modifications to hardware, software, or firmware of a system with the ISSM and AO/DAO prior to the change.
Monitor system recovery processes to ensure security features and procedures are properly restored and functioning correctly.
Ensure all IS security-related documentation is current and accessible to properly authorized individuals.
Ensure audit records are collected, reviewed, and documented (to include any anomalies)
Attend required technical and security training (e.g., operating system, networking, security management) relative to assigned duties.
Execute the cyber security portion of the self-inspection, to include providing security coordination and review of all system assessment plans.
Identify cyber security vulnerabilities and assist with the implementation of the countermeasures for them.
Prepare reports on the status of security safeguards applied to computer systems.
Perform ISSO duties in support of in-house and external customers.
Conduct security impact analysis activities and provide to the ISSM on all configuration management changes to the authorization boundaries.

Experience:

2+ years related experience.
SAP experience required.
Prior performance in roles such as System, Network Administrator, or ISSO.

Education:

Bachelor’s degree OR Associate’s degree in a related area + 2 years’ experience OR equivalent experience (4 years)

Certifications:

IAT Level II or IAM Level II (Security+ CE, CCNA Security, etc.) - within 6 months

Security Clearance:

TS/SCI required
Must be able to Attain – TS/SCI with CI Polygraph

#AirforceSAPOpportunities #TS/SCI

Work Requirements

Years of Experience

2 + years of related experience

may vary based on technical training, certification(s), or degree

Certification

GICSP: Global Industrial Cyber Security Professional - Global Information Assurance Certification (GIAC)

Cisco Certified Network Associate (CCNA) Security - Cisco - Cisco

GSEC: GIAC Security Essentials Certification - Global Information Assurance Certification (GIAC) - Global Information Assurance Certification (GIAC)

Travel Required

10-25%

Citizenship

U.S. Citizenship Required

Salary and Benefit Information

The likely salary range for this position is $97,240 - $131,560. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.
View information about benefits and our total rewards program.

Our Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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Refine Your Search

Computer Networking Security jobs in Washington, DC

Information Systems Security Officer (ISSO) II

Job Posting Title Information Systems Security Officer (ISSO) II - Washington, DC area

Cybersecurity Admin

Cybersecurity Compliance Auditor / Security Control Assessor (SCA)

Mid Level Security Assessor

SME Security Control Assessor

Cybersecurity Technician

Intermediate Security Assessor

Information Systems Security Manager

Jr Cyber Penetration Tester

Information Security Engineer I

CIRT Tier 1 Analyst / Active Secret

Information Assurance and Security Specialist DC

IT Security Specialist III

Security Analyst III

Jr Cyber Penetration Tester / Secret

Data Analyst (Network Security)

RMF / A&A Lead (NIH/HHS Experience)

2026 Graduate - Engineer/Researcher - Cyber Warfare Systems

Cyber Security Engineer III

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