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Computer Security Engineer Jobs in Ashburn, VA (NOW HIRING)

TecTammina

security Engineer

Washington, DC · On-site

$63 - $70/hr

C. for a Security Engineer Location: Washington D.C. Duration: 4 year contract Must be U.S. Citizen ... Bachelors Degree in Computer Science or a related technical discipline. Must be US Citizen and able ...

Reallaer, LLC

Be Seen First

Computer Engineer- Systems

Washington, DC · On-site

$100K - $150K/yr

We are seeking a DevOps engineer to assist in the development, operation, and maintenance of ... Able to interpret, implement, and verify government and contractor computer security policies as ...

Zantech

DevSecOps / Security Engineer

Arlington, VA · On-site

The DevSecOps / Security Engineer will play a crucial role in providing: * Technical Infrastructure ... Bachelor's degree in computer science, engineering, or equivalent, and 5+ years of experience OR

Google

Security Engineer, Detection

Reston, VA · On-site

... engineering, computer and network security and security protocols. Preferred : • Experience in responding to security problems in target-rich environments, looking at security alerts, front-line ...

Reallaer, LLC

Be Seen First

Computer Engineer- Systems

Reston, VA · On-site

$100K - $150K/yr

We are seeking a DevOps engineer to assist in the development, operation, and maintenance of ... Able to interpret, implement, and verify government and contractor computer security policies as ...

GuidePoint Security

Cloud Security Engineer

Reston, VA · Hybrid

As a security engineer on our team, you'll evaluate and support the documentation, validation ... You'll assist with evaluation of computer applications, software, or specialized utility programs ...

Zantech

DevSecOps / Security Engineer

Arlington, VA · On-site

The DevSecOps / Security Engineer will play a crucial role in providing: * Technical Infrastructure ... Bachelor's degree in computer science, engineering, or equivalent, and 5+ years of experience OR

Zantech

DevSecOps / Security Engineer

Arlington, VA · On-site

The DevSecOps / Security Engineer will play a crucial role in providing: * Technical Infrastructure ... Bachelor's degree in computer science, engineering, or equivalent, and 5+ years of experience OR

ADP, Inc.

Sr Security Engineer

Reston, VA · On-site

$140K - $202K/yr

Bachelor's Degree in Information Security or Computer Science or Computer/Electrical Engineering, and/or equivalent field experience. * Proof of eligibility to work in the United States. This ...

Tammina

Security Engineer

Washington, DC

Description The security engineering position provides support to a Security Operation Center of a ... Bachelors Degree in Computer Science or a related technical discipline. Must be US Citizen and able ...

Zantech

DevSecOps / Security Engineer

Arlington, VA · On-site

The DevSecOps / Security Engineer will play a crucial role in providing: * Technical Infrastructure ... Bachelor's degree in computer science, engineering, or equivalent, and 5+ years of experience OR

Socket.dev

Security Engineer III

Rockville, MD · On-site

$150K/yr

Bachelor's degree in Electrical Engineering, Computer/Information Science, Information Assurance/Cybersecurity, or related field of study. 3 years of experience as Security Engineer or related role ...

Intertek CEA

Security Engineer III

Rockville, MD · On-site

$150K/yr

Bachelor's degree in Electrical Engineering, Computer/Information Science, Information Assurance/Cybersecurity, or related field of study. 3 years of experience as Security Engineer or related role ...

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Showing results 41-60

All JobsComputer Security Engineer JobsComputer Security Engineer Jobs in Ashburn, VA

Computer Security Engineer information

See Ashburn, VA salary details

$62.9K

$156.2K

$210.1K

How much do computer security engineer jobs pay per year?

As of Sep 10, 2026, the average yearly pay for computer security engineer in Ashburn, VA is $156,227.00, according to ZipRecruiter salary data. Most workers in this role earn between $146,200.00 and $162,100.00 per year, depending on experience, location, and employer.

What cities near Ashburn, VA are hiring for Computer Security Engineer jobs?

Cities near Ashburn, VA with the most Computer Security Engineer job openings:

Infographic showing various Computer Security Engineer job openings in Ashburn, VA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 12% Part Time, 3% Contract, and 1% Nights. Highlights an 79% Physical, 2% Hybrid, and 19% Remote job distribution, with an average salary of $156,227 per year, or $75.1 per hour.

Information Security Engineer

Mclean, VA

Appian Corporation
Software Development • 1 - 5K employees
Learn more about Appian Corporationexternal

Full-time

Posted 15 days ago

Job description

Information Security Engineer I

Are you ready to build the security systems that protect a global enterprise automation platform from modern cyber threats? As a Security Engineer, you will design and implement advanced detection technologies to shield our critical infrastructure.

Location: McLean, VA | Work Model: On-site (5 days/week)

About the Team

The Appian Information Security department continuously evaluates the global threat landscape to protect Appian operations and service offerings. Our mission is to build, monitor, and scale robust security tools and processes that shield critical corporate and customer assets from emerging threats, international security concerns, and vulnerabilities, ensuring our AI-Powered Process Automation platform remains resilient and secure.

The Opportunity

At Appian, we believe our greatest innovations spring from in-person collaboration. Joining our team at our McLean headquarters means you will work alongside elite security architects in a high-velocity environment that prioritizes your professional growth. This role offers an unparalleled launchpad to transition academic knowledge into real-world impact, giving you direct ownership over intrusion detection capabilities and cloud-based defense strategies for our Enterprise-Grade Orchestration ecosystem.

What You'll Do
  • Build and scale internal security systems to enable Appian InfoSec to quickly adapt, monitor, and defend against modern attacker techniques.
  • Analyze and investigate complex security-related data pulled from a wide range of security products, logging devices, and endpoint monitors.
  • Design and implement enhanced detection technologies across various Appian systems to proactively surface potential anomalies and vulnerabilities.
  • Conduct comprehensive risk analysis on infrastructure assets and provide actionable recommendations for remediation or mitigation.
  • Execute dedicated security engineering projects that directly improve Appian's overarching intrusion detection, scanning, testing, and response capabilities.
Required Qualifications
  • Education: Minimum of a Bachelor's degree in Computer Science, Cyber Security, Computer Engineering, or a closely related STEM field of study.
  • Experience: Progressive internship, co-op, or academic project experience centered on cyber security engineering or threat analysis.
  • Technical Mastery: Hands-on programming or scripting experience in one or more languages, specifically Java, Python, or C/C++.
  • Core Fundamentals: A strong, foundational understanding of network fundamentals and internet protocols, including TCP/IP networking, DNS, and DHCP.
Preferred Qualifications
  • Familiarity with administration and security best practices for both Windows and Linux/Unix operating systems.
  • Fundamental knowledge of cloud-based infrastructures (SaaS, PaaS, IaaS) and modern network security architectures.
  • We value experience with enterprise platforms such as Salesforce or ServiceNow, as these skills translate well into our Enterprise-Grade Orchestration environment.

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