network security engineer Jobs in ashburn,va

341 - 360 of 532 Jobs

Principal Security ResearcherJob Title - Principal Security Researcher

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

We are unable to sponsor as this is a permanent full-time role A prestigious company is looking for a Principal Security Researcher. This principal will reverse engineer malicious binaries to find ransomware samples. The principal must have experience with languages such as Python, Ruby, C++, Rust, and cryptographic algorithms. Responsibilities: Reverse engineer malicious or unknown binaries to find insights and intelligence in ransomware samples and threat actor toolkitsUse and develop tools

Senior Cybersecurity Data Visualization Specialist (Security Clearance) - Remote Work - Local to DC Metro and FLJob Title - Senior Cybersecurity Data Visualization Specialist (Security Clearance) - Remote Work - Local to DC Metro and FL

ICFCompany Name - ICF

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Remote or Arlington, Virginia, USA

Full-time

ICF International seeks an experienced Senior Cybersecurity Data Visualization Specialist 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 Cybersecurity Data Visualization Specialist to support a large federal cyber security analytic program. Your work will contribute to the knowledge of how cyber-attacks work, how vulnerabilities are ex

Director, Infrastructure Security Engineering (Remote)Job Title - Director, Infrastructure Security Engineering (Remote)

INSPYR SolutionsCompany Name - INSPYR Solutions

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Remote

Full-time

Role: Director, Infrastructure Security Engineering Location: Remote (EST/CST) Duration: Full Time, Direct Hire Compensation: $200-240k/yr. Work Requirements: , Holders or Authorized to Work in USIf interested, please contact Margot Parsons at or call THE JOB: As a key member of our Infrastructure Security Engineering team, you will be at the forefront of our security transformation, cultivating a security-first mindset throughout our organization. Your mission is to build and lead the new team

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

SAICCompany Name - SAIC

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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

Application Security AdvisorJob Title - Application Security Advisor

Ascendion Inc.Company Name - Ascendion Inc.

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Reston, Virginia, USA

Full-time

About Ascendion Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to en

Traveling Security SpecialistJob Title - Traveling Security Specialist

SAICCompany Name - SAIC

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Arlington, Virginia, USA

Full-time

Job ID: 2507199 Location: ARLINGTON, VA, US Date Posted: 2025-07-01 Category: Security Subcategory: Security Schedule: Full-time Shift: Day Job Travel: Yes, 25 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is seeking a Traveling Security Specialist in Arlington, VA. Primary responsibility will be to assess Army National Guard (ARNG) G-2 Security Programs and provide comprehensive trai

Program Security Officer 2Job Title - Program Security Officer 2

ManTechCompany Name - ManTech

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Springfield, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Program Security Officer 2 (PSO 2) to join our team in Springfield, VA. Responsibilities include but not limited to: Provides advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locationsProvides classification management, program security, information systems security, personnel security, and physical security for the purpose of guidance to customers

Azure Security & IAM ArchitectJob Title - Azure Security & IAM Architect

ADDSOURCECompany Name - ADDSOURCE

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Remote or US

Third Party

Title: Azure Security & IAM Architect Position Type: Full-time Employment/ Contract Location: Remote across USA/ Canada Position Summary We are seeking a highly skilled and experienced Azure Security and Identity and Access Management (IAM) Security Architect to lead the design, implementation, and governance of our enterprise Azure and IAM strategy. The ideal candidate will have deep technical knowledge of Azure Security Architecture, authentication, authorization, identity governance, and priv

Senior Application Security ArchitectJob Title - Senior Application Security Architect

TentialCompany Name - Tential

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Rockville, Maryland, USA

Contract

Overview The Senior Application Security Architect is responsible for designing, implementing, and overseeing enterprise-wide application security architecture and standards. This role focuses on establishing security frameworks, conducting architecture reviews, developing security baselines, and leading strategic security initiatives that have broad impact across the organization. The position requires a blend of technical expertise, architectural thinking, and leadership to embed security thro

SAP NS2 Expert Information Security Compliance Analyst-Metro DCJob Title - SAP NS2 Expert Information Security Compliance Analyst-Metro DC

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

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

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2507076 Location: CHANTILLY, VA, US Date Posted: 2025-07-08 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 System Security Officer - CI PolyJob Title - Information System Security Officer - CI Poly

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Herndon, Virginia, USA

Full-time

Piper Companies is seeking an experienced ISSO- CI Polywho can work onsite in Raleigh, NC.The ISSO - CI Poly will be responsible for the lifecycle of Information Systems and once authorized, the ISSO- CI Poly will maintain compliance with all applicable CONMON requirements. Responsibilities of the ISSO - CI Poly include: Plan, manage and provide support to ensure the completion of all assessment and authorization activities per Intelligence Community Directive 503. Maintain compliance with al

Senior Security Achitect - Northeast regionJob Title - Senior Security Achitect - Northeast region

GuidePoint SecurityCompany Name - GuidePoint Security

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Remote

Full-time

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. GuidePoint Security is seeking an experienced

Program Security Officer 2Job Title - Program Security Officer 2

ManTechCompany Name - ManTech

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Springfield, Virginia, USA

Full-time

Solutions Engineering - Security SpecialistJob Title - Solutions Engineering - Security Specialist

T-MobileCompany Name - T-Mobile

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Herndon, Virginia, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Job Overview The Solutions Engineer (SE) partners with

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

Alpha SiliconCompany Name - Alpha Silicon

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Contract, Third Party

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-

JAVA + App SecurityJob Title - JAVA + App Security

Diverse Lynx LlcCompany Name - Diverse Lynx Llc

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McLean, Virginia, USA

Full-time

Job Title: JAVA + App Security Location: Mclean, VA ( Day One Onsite ) Position : FULL TIME Skills: Java | Application Security Job Description: Skill: Developer JAVA + App Security Technical expertise in JAVA. Perform regular vulnerability scans and assessments of IT infrastructure and applications. Analyze vulnerability scan results, prioritize risks and coordinate remediation efforts with relevant teams. Collaborate with incident response team to identify root causes and implement preventive

SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VAJob Title - SAP NS2 Intel Security and Governance, Risk & Compliance (GRC) Consultant- Onsite - Chantilly, VA

SAP Americas, Inc.Company Name - SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

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

SESCompany Name - SES

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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

Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions ArchitectJob Title - Cybersecurity Strategy, Risk, and Resilience Security Strategy Solutions Architect

TikTokCompany Name - TikTok

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Washington, District of Columbia, USA

Full-time

Location : Washington D.C. Employment Type : Regular Job Code : A79489B Apply to this job Share this listing: Responsibilities The mission of TikTok's Global Security Organization is to build and earn trust by reducing risk and securing our businesses and products. Also known as "GSO", this team is the foundation of our efforts to keep TikTok safe, secure, and operating at scale for over 1 billion people around the world. We work to ensure that the TikTok platform is safe and secure, that