senior network security engineer Jobs in district of columbia

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Senior Privileged Access Management(PAM) Security Engineer - C14

Citi

Remote or Irving, Texas, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

SkillBridge Cyber/IT Security Intern (Transitioning Military)

American Systems Corporation

Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a SkillBridge Cyber/IT Security Intern with AMERICAN SYSTEMS you will have the opportunity to do the following. We have availability to bring on an intern starting in October 2025. Conduct periodic system ass

Mainframe Security Engineer

ApTask

Remote

Contract, Third Party

Role: Mainframe Security Engineer Role Address: Alpharetta, GA Duration: 3 years Contract The Mainframe Computing Security team is responsible for engineering and managing various mainframe authentication and authorization systems. This position is for a senior engineer in Tooling and Project team responsible to design and execute projects aligned to TopSecret security products and other platform integration solutions. The ideal candidate will be working closely with other infrastructure team

(USA) Principal, Software Engineer, Information Security

Walmart Inc.

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Role As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, syst

Senior Product Security Engineer

Rockwell Automation

Remote or Mayfield Heights, Ohio, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Senior Product Security Engineer Researcher - Reverse Engineer

Request Technology, LLC

Remote

Full-time

No SPONSORSHIP Senior Product Security Engineer SALARY: $180,000 - 220,000 plus 10% plus pre-IPO stock options LOCATION: remote Looking for a Security researcher proficient in reverse engineer. Experience in analyzing malware understanding of cryptography user in ransomware ability to develop tools to augment existing capabilities endpoint hardening and testing. Join a team of cyber Security Engineers focused on building products and solutions for mid-market and enterprise customers. We deliver

Senior Security Analyst

Tekfortune Inc.

Remote

Contract

Job Title: Senior Security Analyst Location: Remote Job Description: Candidate must have experience in Azure cloudMin Experience required - 10yrExpertise level on cloud knowledge should be 40% and Firewall knowledge should be 60%Expertise on PALO ALTO FirewallExpertise on load balancer (WAF)

Security Engineer

Pax8

Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,

Staff Product Security Engineer

Johnson & Johnson

Remote or Cincinnati, Ohio, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m

Systems Engineer Vulnerability Security / Contract / Remote

Motion Recruitment Partners, LLC

Remote or Boston, Massachusetts, USA

Full-time

We are partnering with a leading healthcare organization in New York City to build a Vulnerability Remediation Tiger Team. This is a 6-month engagement focused on addressing critical vulnerabilities across a massive and complex IT environment, spanning on-premise systems, cloud infrastructure, and networking. This is an opportunity to be part of a fully supported, high-priority Tiger Team reporting directly to the CISO's office. You'll work in a fast-paced, Scrum-style environment with the abili

Senior Data Security Architect, Technology Architecture

Guardian Life Insurance Company

Remote or New York, New York, USA

Full-time

Overview Guardian is seeking a strategic and collaborative Senior Data Security Architect to lead the secure design, protection, and governance of enterprise data assets. This role requires deep expertise in data security technologies, regulatory compliance, and hands-on experience developing scalable data protection architectures. The successful candidate will work closely with data architects, data engineers, and data science teams to embed security and privacy into the entire data lifecycle

Security Systems Engineer, Programming & Commissioning

Tesla Motors

Remote or Sparks, Nevada, USA

Full-time

We are seeking a highly skilled Security Systems Engineer to join our team. The successful candidate will be responsible for the programming and commissioning of access control, intrusion detection and video surveillance systems. This role requires strong technical expertise, excellent communication skills, and the ability to work collaboratively with cross-functional teams. Locations: Reno, NV, OR Fremont, CA OR Austin, TX Responsibilities Support the Security Engineering's Southern region i

IT Security Engineer - Lead

Navigant Consulting

Remote or Atlanta, Georgia, USA

Full-time

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: None What You Will Do: Our Security Engineer Lead plays a pivotal role within the Information Security Operations group that is dedicated to supporting Security Operations and Incident Management/Response processes, SIEM engineering, Threat Hunting, Automation, Cyber Architecture, and Threat Intelligence. This position is responsible for enhancing SIEM and tool monitoring, tuning, detection, and alerting across mult

Network Architect

SAIC

Springfield, Virginia, USA

Full-time

Job ID: 2508327 Location: SPRINGFIELD, VA, US Date Posted: 2025-08-05 Category: Information Technology Subcategory: Enterprise Architect Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: Yes Description The Network Technologies Business Unit currently has an opening for a Network Architect to support a Department of State (DoS) Bureau of Diplomatic Technology (DT) program. This

Cyber Analyst, Mid-Level

QinetiQ US

Washington, District of Columbia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Security Software Engineer, Identity Infrastructure

Block Inc

California, USA

Full-time

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams - People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more - provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture

Principal Security Engineer / Solutions Architect (CIAM / Okta / Auth0)

GTechNY

Remote

Contract

About the RoleWe are seeking a seasoned Principal Security Engineer / Architect with deep expertise in CIAM (Customer Identity and Access Management), Okta, and Auth0. This is a senior-level consulting/architectural role for complex enterprise-level identity projects. You must be comfortable driving architecture decisions, advising on migration paths, and implementing robust and scalable solutions across multi-tenant environments. Key ResponsibilitiesArchitect and implement CIAM solutions levera

Cloud Security Engineer/ Remote/ Azure

Motion Recruitment Partners, LLC

Remote or Boston, Massachusetts, USA

Full-time

Job Description We're looking for a Cloud Security Engineer for a fully remote full-time position. Preference will be given to people in the New England/Greater Boston area. You will be working to architect and implement security controls for cloud applications and infrastructure. This will be mainly in Azure but supporting an AWS environment as well. You will monitor the cloud environments for risks using Azure Sentinel or AWS GuardDuty. There is also a strong emphasis on implementing IaC proce

Sr Software Engineer - Security Team

Splunk Inc.

California, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor

Application Security Engineer

Pax8

Remote or Greenwood Village, Colorado, USA

Full-time

Pax8 is the leading cloud-based technology marketplace, simplifying the cloud journey for our partners by integrating technology, business intelligence and proactive service to deliver an unparalleled experience. Serving thousands of partners through the indirect sales channel, our mission is to build the technology marketplace of the future. We are a fast-growing, dynamic and high-energy startup organization, allowing you to make a meaningful impact on the business. Culture is important to us,