Cybersecurity Engineer Jobs in Herndon

Cybersecurity Engineer jobs in Herndon hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $200,435/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Herndon
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

Optiv

optiv.com
optiv.com · HQ: Denver, United States · Information Security · Systems Integrators · Managed Security · 1001-5000 employees · Est. 2015 · Trust A · Hiring 44, 1 new
HQ: Denver, United States · Information Security · Systems Integrators · Managed Security · 1001-5000 employees · Est. 2015 · Trust A · Hiring 44, 1 new
Optiv is a cybersecurity solutions integrator serving large enterprises. It advises on strategy, deploys vendor technologies and runs managed security services. The company was formed by merging two established security resellers.
Daniel Burns · Executive Officer, Director · decision-maker
William Croutch · Executive Officer · decision-maker
David Roshak · Executive Officer · decision-maker
Tim Hoffman · Executive Officer, Director · decision-maker
Careers mailbox is known
Verified live · 1 day ago 2 months ago Long shot · 19%

Principal Cybersecurity Advisor-Cisco Networking and Security | Remote, USA

≈ $158k – $311k per year (Estimated) · Lead · 10+ years exp · Philadelphia · Providence · Hartford · Birmingham · Cheyenne · Remote (United States) · Full-Time · Principal
Splunk
Cybersecurity
Zero Trust
Apply
Verified live · 1 day ago 2 months ago Long shot · 12%

Principal AI Cybersecurity Advisor | Remote, USA

≈ $142k – $292k per year (Estimated) · Lead · 10+ years exp · Hybrid (Overland Park, Philadelphia, Hartford, Dallas, Richmond, United States) · Full-Time · Principal
Apply

Fortreum

fortreum.com
fortreum.com · Seattle · Herndon · Fort Meade · Reston · Leesburg · Security Compliance · Penetration Testing · 51-200 employees · Est. 2020 · Hiring 9, 1 new
Seattle · Herndon · Fort Meade · Reston · Leesburg · Security Compliance · Penetration Testing · 51-200 employees · Est. 2020 · Hiring 9, 1 new
Fortreum is a Top 5 FedRAMP 3PAO helping cloud providers, defense contractors, and enterprises achieve compliance with confidence.
No named decision-maker yet.
Careers mailbox is known
Top 25% payVerified live · 3 hours ago 2 months ago Long shot · 23%

Cleared Penetration Tester - Seattle

$130k – $160k per year · Middle · 3+ years exp · Hybrid (Seattle, Herndon, United States) · Bachelor's Degree · Full-Time · Top Secret · Middle
PowerShell
Python
Cybersecurity
MITRE ATT&CK
FedRAMP
OWASP
HIPAA
Defense
CMMC
Apply
Top 25% payVerified live · 3 hours ago 3 months ago Long shot · 15%

Cleared Penetration Tester

$130k – $160k per year · Middle · 3+ years exp · Hybrid (Herndon, Seattle, United States) · Bachelor's Degree · Full-Time · Top Secret · Middle
PowerShell
Python
Cybersecurity
MITRE ATT&CK
FedRAMP
OWASP
HIPAA
Defense
CMMC
Apply

Freedom Consulting Group

freedomconsultinggroup.com
freedomconsultinggroup.com · HQ: Columbia, United States · Data Engineering & Migration Services · Information Security · Cloud Consulting & Migration · IT Consulting & Digital Transformation · Trust B · Hiring 92, 4 new
HQ: Columbia, United States · Data Engineering & Migration Services · Information Security · Cloud Consulting & Migration · IT Consulting & Digital Transformation · Trust B · Hiring 92, 4 new
Freedom Consulting Group is an American technology services company that works almost entirely for United States intelligence and defence customers. Its engineers build and operate cloud infrastructure, data platforms, software and cybersecurity systems inside classified environments, with a particular concentration in Amazon Web Services work for the intelligence community. Headquartered in Columbia, Maryland with offices in northern Virginia, it employs cleared staff almost exclusively, which is both the barrier to entry in its market and the constraint on how quickly it can grow.
No named decision-maker yet.
No careers mailbox known
Verified live · 4 hours ago Visa sponsor 2 months ago Likely open · 46%

Cyber Security Project Engineer 755

≈ $126k – $286k per year (Estimated) · In office (Herndon, Columbia, United States) · Bachelor's Degree · English · Chinese · Spanish · Arabic
Windows
GCP
Apply

Excelity

excelity.io
excelity.io · HQ: Herndon, United States · Homeland Security · National Security · Penetration Testing · Trust B · Hiring 9
HQ: Herndon, United States · Homeland Security · National Security · Penetration Testing · Trust B · Hiring 9
Enterprise Modernization = Flexible solution development leveraging emerging technologies adapted to meet the speed of mission.. We understand the need for strong relationships to ensure delivery success.
No named decision-maker yet.
Careers mailbox is known
Verified live · 2 hours ago 2 months ago Long shot · 14%

Information Systems Security Engineer

≈ $119k – $227k per year (Estimated) · Senior · 7+ years exp · In office (Herndon, United States) · Master's Degree · Full-Time · TS/SCI · Senior
Splunk
GitLab
Red Hat
CentOS Stream
Linux
AWS
Cybersecurity
SonarQube
NIST 800-53
SIEM
+1
Apply

Redhorse

redhorsecorp.com
redhorsecorp.com · HQ: Arlington, United States · Defense AI · National Security · Analytics & BI Consulting · IT Consulting & Digital Transformation · 201-500 employees · Est. 2008 · Trust B · Hiring 61, 5 new
HQ: Arlington, United States · Defense AI · National Security · Analytics & BI Consulting · IT Consulting & Digital Transformation · 201-500 employees · Est. 2008 · Trust B · Hiring 61, 5 new
Redhorse Corporation is a US government services contractor headquartered in Arlington, Virginia, that provides data analytics, artificial intelligence, cybersecurity, digital transformation and mission support to national security, intelligence and law enforcement agencies. Founded in 2008 by retired Marine Corps colonel David Inman and led by chief executive Noah Klemm, it acquired Allied Associates International and supports clients such as the Chief Digital and AI Office, the Air Force and the Department of Energy. It hires program managers, software and data engineers, cybersecurity engineers, intelligence and policy analysts, instructional designers and administrative staff.
No named decision-maker yet.
No careers mailbox known
Top 25% payVerified live · 1 hour ago 3 months ago Long shot · 14%

Vulnerability Researcher

$150k – $300k per year · Senior · 7+ years exp · In office (Herndon, United States) · Full-Time · TS/SCI · Senior
C++
JavaScript
Assembly
Assembly
OllyDbg
WinDbg
DevOps
Unix
Windows
Linux
Cybersecurity
IDA Pro
+1
Apply
Open 206 daysTop 25% pay 6 months ago Long shot · 8%

Senior Vulnerability Researcher

$150k – $275k per year · Senior · 7+ years exp · In office (Herndon, United States) · Full-Time · TS/SCI · Senior
C++
JavaScript
Assembly
Assembly
OllyDbg
WinDbg
DevOps
Unix
Windows
Linux
Cybersecurity
IDA Pro
+1
Apply

MetroStar

metrostar.com
metrostar.com · HQ: Reston, United States · AI Consulting & Integration · Digital Government · IT Consulting & Digital Transformation · 51-200 employees · Est. 1999 · Trust A · Hiring 59, 5 new
HQ: Reston, United States · AI Consulting & Integration · Digital Government · IT Consulting & Digital Transformation · 51-200 employees · Est. 1999 · Trust A · Hiring 59, 5 new
MetroStar is a digital transformation and IT services enterprise specializing in human-centered technology solutions for the public sector. The company focuses on software engineering, artificial intelligence and machine learning (AI/ML) integration, cloud modernization, cybersecurity, and digital infrastructure services. Headquartered in Reston, Virginia, it serves defense, national security, and civilian federal agencies across North America.
No named decision-maker yet.
Careers mailbox is known
Open 95 daysTop 25% pay 3 months ago Long shot · 6%

Cybersecurity Engineer II

$166k – $202k per year · Middle · 10+ years exp · In office (Herndon, United States) · Bachelor's Degree · TS/SCI · Middle
Go
Java
Python
DevOps
AWS
Cybersecurity
Keycloak
Okta
Zero Trust
Ping Identity
Apply
Open 95 daysTop 25% pay 3 months ago Long shot · 7%

Sr. Cybersecurity Engineer II

$166k – $202k per year · Senior · 10+ years exp · In office (Herndon, Washington, Reston, Tysons, United States) · Bachelor's Degree · TS/SCI · Senior
Go
Java
Python
DevOps
AWS
Cybersecurity
Keycloak
Okta
Zero Trust
Ping Identity
Apply

LTS

lts.com
lts.com · HQ: Herndon, United States · Civil Defense · IT Consulting & Digital Transformation · Occupational Health · 1001-5000 employees · Est. 2005 · Hiring 13, 1 new
HQ: Herndon, United States · Civil Defense · IT Consulting & Digital Transformation · Occupational Health · 1001-5000 employees · Est. 2005 · Hiring 13, 1 new
LTS is a specialized healthcare solutions, emergency response, and enterprise consulting partner headquartered in Herndon, Virginia. Founded as a trusted government contractor, the company operates across four core divisions: Emergency Response; Occupational Health Services; Automated Healthcare Solutions; and Enterprise Consulting.
No named decision-maker yet.
Careers mailbox is known
Verified live · 3 hours ago 4 months ago Long shot · 17%

Cyber Security Engineer

≈ $116k – $210k per year (Estimated) · Senior · 5+ years exp · Herndon · Remote (United States) · Bachelor's Degree · Public Trust · Senior
AI Agents
DevOps
Amazon CloudWatch
IAM
CI/CD
AWS
Kubernetes
Cybersecurity
FedRAMP
Zero Trust
Management
ServiceNow
MedTech
HL7
FHIR
+3
Apply

Accenture Federal Services

accenturefederal.com
accenturefederal.com · HQ: Arlington, United States · IT Consulting & Digital Transformation · Digital Government · 5000+ employees · Trust B · Hiring 576, 39 new
HQ: Arlington, United States · IT Consulting & Digital Transformation · Digital Government · 5000+ employees · Trust B · Hiring 576, 39 new
Accenture Federal Services is the US federal government business of the global professional services firm Accenture, providing technology, cloud, AI, data and cybersecurity services to defense, national security, public safety, civilian and military health agencies, headquartered in Arlington, Virginia, near Washington, DC. It operates as a wholly owned subsidiary of Accenture and employs more than 13,000 people. Its openings are mostly technical roles such as cloud services engineers, software engineering leads, solution architects, data engineers, CI/CD pipeline engineers, SharePoint specialists, system administrators, test engineers and user experience designers.
No named decision-maker yet.
No careers mailbox known
Open 180 daysVerified live · 4 hours ago 6 months ago Long shot · 12%

Senior Vulnerability Researcher

≈ $139k – $265k per year (Estimated) · Senior · In office (Herndon, United States) · TS/SCI · Senior
Bash
C++
Python
DevOps
VMWare
GitLab
Windows
Cybersecurity
Ghidra
IDA Pro
Management
Confluence
Jira
+2
Apply

M2 AI Solutions

m2solutions.ai
m2solutions.ai · HQ: Moscow, Russia · IT Consulting & Digital Transformation · AI Consulting & Integration · 1-10 employees · Est. 2020 · Startup · Trust B · Hiring 5
HQ: Moscow, Russia · IT Consulting & Digital Transformation · AI Consulting & Integration · 1-10 employees · Est. 2020 · Startup · Trust B · Hiring 5
M2 AI Solutions is a Russian company offering business automation built on artificial intelligence. It provides round-the-clock AI voice sales managers, smart home systems and solutions for small, medium and enterprise clients, integrating with amoCRM and Bitrix24, and lists an office in Madrid. The company is headquartered in Moscow, Russia.
No named decision-maker yet.
Careers mailbox is known
Open 229 daysVerified live · 10 min ago 7 months ago Long shot · 9%

Information Systems Security Engineer (INFOSEC Engineer, ISSE)

≈ $138k – $274k per year (Estimated) · Staff+ · 11+ years exp · In office (Herndon, Chantilly, United States) · Bachelor's Degree · TS/SCI · Principal
Perl
Bash
PowerShell
SQL
Python
DevOps
Splunk
VMWare
Linux
Azure
AWS
Cybersecurity
Nessus
Tanium
Management
UiPath
+5
Apply

Uvcyber

uvcyber.com
uvcyber.com · HQ: McLean, United States · Artificial Intelligence · Penetration Testing · Cybersecurity · Managed Security · Security Operations · Trust B · Hiring 20, 4 new
HQ: McLean, United States · Artificial Intelligence · Penetration Testing · Cybersecurity · Managed Security · Security Operations · Trust B · Hiring 20, 4 new
Ultraviolet Cyber is an enterprise cybersecurity company that provides unified, automated security operations and threat management solutions. The firm offers managed detection and response (MDR), threat intelligence, and security automation services designed to help organizations streamline their security operations centers (SOCs). By synthesizing telemetry across diverse IT environments, it enables enterprises to detect, investigate, and neutralize complex cyber threats in real time.
No named decision-maker yet.
Careers mailbox is known
Open 319 daysVerified live · 3 hours ago 10 months ago Long shot · 9%

Senior Security (SOC) Analyst, Secret Clearance Required

$80k – $110k per year · Senior · 5+ years exp · In office (Herndon, United States) · High School Diploma · Full-Time · Secret · Senior
SQL
DevOps
DHCP
VPN
BGP
MPLS
DNS
Windows
Linux
Azure
AWS
Splunk
Cybersecurity
PKI
SIEM
Tanium
Active Directory
+7
Apply
Open 1167 daysVerified live · 3 hours ago 3 years ago Long shot · 5%

Security (SOC) Analyst, Secret Clearance Required

$70k – $82k per year · Middle · 3+ years exp · In office (Herndon, United States) · High School Diploma · Full-Time · Secret · Middle
SQL
DevOps
DHCP
VPN
BGP
MPLS
DNS
Windows
Linux
Azure
AWS
Splunk
Cybersecurity
PKI
SIEM
Tanium
Active Directory
+7
Apply

5i Cloud Solutions

5ipro.com
5ipro.com · HQ: Chantilly, United States · Science & Engineering · Information Technology · Est. 2020 · Likely startup · Trust D · Hiring 16
HQ: Chantilly, United States · Science & Engineering · Information Technology · Est. 2020 · Likely startup · Trust D · Hiring 16
We transform enterprise with. WE HAVE A PASSION FOR EXCELLENCE, AUTOMATION AND TRANSFORMATION THROUGH TECHNOLOGY.
No named decision-maker yet.
Careers mailbox is known
Likely inactiveVerified live · 3 hours ago 4 years ago Long shot · 6%

Cyber Security Systems Engineer (ISSE)-TS/SCI Full Scope Polygraph Only!

≈ $138k – $274k per year (Estimated) · Staff+ · 16+ years exp · In office (Herndon, United States) · Bachelor's Degree · Full-Time · Architect
Perl
Bash
PowerShell
SQL
Python
DevOps
Splunk
VMWare
Windows
Linux
Azure
AWS
Cybersecurity
Nessus
Tanium
PKI
Management
Agile
+7
Apply
Machines can read this selection · checked 23:34 UTC
Cybersecurity Engineer Jobs in Herndon
Frequently asked questions
How many Cybersecurity Engineer jobs in Herndon are available on Alion?
There are currently 43 active listings from 19 hiring companies on Alion, refreshed daily.
What salary do Cybersecurity Engineer jobs in Herndon pay?
The average salary is around $200,435 per year based on the current listings.
Are remote options available for Cybersecurity Engineer jobs in Herndon?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Cybersecurity Engineer jobs in Herndon?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.