Network Security Engineer Jobs in District of Columbia

421 - 440 of 594 Jobs

Cloud Security Technical Project ManagerJob Title - Cloud Security Technical Project Manager

SAICCompany Name - SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506833 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings acr

Information Systems Security Officer (ISSO) 2 - TS/SCI w/PolyJob Title - Information Systems Security Officer (ISSO) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

•

Columbia, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Officer (ISSO) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide support for a program, organization, system, or enclave's information assurance program. Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintain operational security posture for an information system or program to ensure information s

Information Security Analyst SpecialistJob Title - Information Security Analyst Specialist

SOHO Square SolutionsCompany Name - SOHO Square Solutions

•

McLean, Virginia, USA

Third Party, Contract

Job Title: Information Security Analyst Specialist Location: McLean, VA (Onsite) Duration: 6 Months Job Description: Responsibilities include: Define guardrails in an AI control platform to support ongoing Gen AI efforts in the organization. Engage with business divisions to obtain use cases to protect sensitive data. Follow documented procedures and maintain required documentation during Data Loss Prevention (DLP) policy development. Adhere to change management requirements during the DLP pol

Information Systems Security Officer Level 2Job Title - Information Systems Security Officer Level 2

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Computer Security, Information System Security, Security Information, Security Requirements, System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provides support for a

Information Systems Security Officer Level 2Job Title - Information Systems Security Officer Level 2

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

•

Maryland, USA

Full-time

Information Systems Security Manager (ISSM) 2 - TS/SCI w/PolyJob Title - Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

•

Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

Cyber Security Architect - Security Architect - Blue TeamJob Title - Cyber Security Architect - Security Architect - Blue Team

SESCompany Name - SES

•

Remote

Full-time

Security Architect - Cyber Security Architect - Blue Team Type: W2 With Benefits - No C2C Location: Will Be Supporting Denver, CO Hours The Work You will work with our team of Architects to craft secure design patterns, perform security assessments, and review system designs using a risk-based, threat-modeling approach. The Security Architect will have the following core responsibilities: Partner with business and technology teams to define security designs that meet security requirements and en

Senior Software Developer Onsite Fort Meade, MD Active Security ClearanceJob Title - Senior Software Developer Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

•

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Senior Software Developer with experience in multiple development languages and platforms Onsite Fort Meade, MD Active Security Clearance Required!

Data Scientist, Senior (Security Clearance) - Remote RoleJob Title - Data Scientist, Senior (Security Clearance) - Remote Role

ICFCompany Name - ICF

•

Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Data Scientist to support the research and development of new cyber analytic capabilities that will help the US protect and defend its networks and critical information systems. The successful cleared candidate will act as a Senior Data Scientist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are exploited, and the way hostile cyber actors operate.

IT Security AnalystJob Title - IT Security Analyst

Cayuse Shared ServicesCompany Name - Cayuse Shared Services

•

Arlington, Virginia, USA

Full-time

Overview The IT Security Analyst is responsible for implementing and enforcing information systems security policies, standards, and methodologies and assist with preparation and maintenance of documentation. Assist in the evaluation of security solutions to ensure they meet security requirements for processing classified information. Assist the ISSO on information system security software, hardware, and firmware. Maintain records on workstations, servers, routers, firewalls, intelligent hubs ,

Information Assurance and Security SpecialistJob Title - Information Assurance and Security Specialist

SakeshCompany Name - Sakesh

•

Washington, District of Columbia, USA

Contract

Job Description: Information Assurance and Security Specialist - Master Location: DMV Region (Washington D.C., Maryland, Virginia) Position Type: Contract (Hybrid - Onsite 3x/week in the near future) Must Haves 16+ years of experience developing, maintaining, and recommending enhancements to Information Security (IS) policies/requirements.16+ years of experience performing vulnerability/risk analyses of computer systems and applications.16+ years of experience identifying, reporting, and resolv

Senior Architect Security (Checkpoint, Cisco ISE)Job Title - Senior Architect Security (Checkpoint, Cisco ISE)

Alpha SiliconCompany Name - Alpha Silicon

•

Third Party, Contract

Title: Senior Architect Security (Checkpoint, Cisco ISE) Location: Remote Terms: Contract Job Description Job Summary: We are seeking a highly experienced and technically proficient Data Center Network & Security Engineer to lead the design, deployment, and management of complex network and security infrastructures. The ideal candidate will have deep expertise across a wide range of technologies including Cisco Nexus, Check Point, Cisco ISE, Palo Alto, Arista, HP Aruba, and Cisco SD-

IAM Systems Administrator Onsite Fort Meade, MD Active Security ClearanceJob Title - IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

•

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW IAM Systems Administrator Onsite Fort Meade, MD Active Security Clearance Required! System Administration support for development and production environments for an Identity and Access Management (IdAM) system

Configuration Manager Onsite Fort Meade, MD Active Security ClearanceJob Title - Configuration Manager Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

•

Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Configuration Manager Onsite Fort Meade, MD Active Security Clearance Required! Develops hardware and software version control processes, policies and procedures and ensures that they are followed on hardware and software development projects

Vice President Global Security & InvestigationsJob Title - Vice President Global Security & Investigations

Navy Federal Credit UnionCompany Name - Navy Federal Credit Union

•

Vienna, Virginia, USA

Full-time

Overview To provide strategy and leadership to the 24/7 global physical security and investigations teams. Identify solutions that support and align with Security's strategic goals and drive high-level corporate decisions that help protect employees/members. Oversee security programs, which includes site selection, facilities physical security design and standardization, identifying, selecting, and maintaining electronic security systems and equipment, and security force functions. Support execu

Program Security Officer - Clearance RequiredJob Title - Program Security Officer - Clearance Required

SAICCompany Name - SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-17 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description Who We Are and What We Do: SAIC Security professionals support a collective of over 24,000 employees extending across 20 countries. Our employees are our core, bolstered by 15,000 clearances

Information Security Risk AnalystJob Title - Information Security Risk Analyst

ASSYSTCompany Name - ASSYST

•

Rockville, Maryland, USA

Contract

ASSYST is seeking a qualified Information Security Risk Analyst to support our client s Governance, Risk, and Compliance (GRC) program. This role involves identifying, assessing, and documenting risks related to information systems, technologies, vendors, and operational processes ensuring alignment with client security policies and regulatory standards. Key Responsibilities:Conduct structured risk assessments Review internal controls Evaluate third-party security attestations Support vulnerabil

Information Systems Security Officer (ISSO) Senior - TS/SCI w/PolyJob Title - Information Systems Security Officer (ISSO) Senior - TS/SCI w/Poly

JacobsCompany Name - Jacobs

•

Fort Meade, Maryland, USA

Full-time

Your Impact: Are you searching for a professional environment that encourages personal and educational development and dedication to the mission? Join a team of security experts who are dedicated to protecting and securing our customers' systems at both the enterprise and program level. Our specialists work closely with others in the RMF process to ensure the highest level of security for every system. Amentum is seeking an Information Systems Security Officer (ISSO) Senior for a prime contrac

Information Systems Security OfficerJob Title - Information Systems Security Officer

ManTechCompany Name - ManTech

•

Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Information Systems Security Officer (ISSO) to join our team in Hanover, MD Responsibilities Included but are not limited to:Ensures that the appropriate operational security posture is maintained for an Information System, or IS. Develop and update System Security Plans (SSP's). Manages and controls changes to the system and assesses the security impact of those changes. Incorporates and/or implements the Risk Management Framework (RMF) d

DevSecOps AWS Cloud Security Services Onsite Manassas VAJob Title - DevSecOps AWS Cloud Security Services Onsite Manassas VA

SmoothStackCompany Name - SmoothStack

•

Manassas, Virginia, USA

Third Party, Contract

DevSecOps AWS Cloud Security Services Onsite Manassas VA In-Person Interview