Top 4291 Application security engineer Jobs in Manassas Va

Lead Security Application Engineer
3Si Security Systems —Alexandria, VA
- $115,000 - $150,000 a year
- On call
- Computer Science
- Up to 50% travel
- Pass drug screening
Quick Apply
8d
ICAM Engineer - Identity, Credential, and Access Management
InfoMarines Inc —Arlington, VA
- From $60 an hour
- Full-time
- Computer Science
- Bachelor of Science
- Windows
- Health savings account
- Health insurance
Quick Apply
16h
Senior Application Engineer (Oracle Fusion HCM Applications)
Navy Federal Credit Union —Vienna, VA
- $114,500 - $179,500 a year
- Online Application
- Computer science
- Computer Science
- PMP
- Referral program
3d
DevOps / Security Engineer — Cloud Platform & IoT Systems
GL Intelligence, Inc. —Chantilly, VA
- $120,000 - $170,000 a year
- Full-time
- Hybrid work
- Azure
- 5 years
- DevOps
- Health insurance
- Dental insurance
Quick Apply
Unified Communications Engineer - Senior
Amentum —Warrenton, VA
- $155,000 - $175,000 a year
- Full-time
- 8 years
- Bachelor's degree
- Team management
- Health savings account
- Relocation assistance
Quick Apply
AI Engineer (Aviation)
iCatalyst Inc —McLean, VA
- $130,000 - $165,000 a year
- Urgently hiring
- Hybrid work
- Background check
- Bachelor of Science
- System design
- Paid jury duty
- Health savings account
Quick Apply
2d
Autonomous Systems Software Engineer
Metron —Reston, VA
- Computer Science
- Mid-level
- Office
- Profit sharing
- Paid parental leave
Senior Application Engineer
Navy Federal Credit Union —Vienna, VA
- $114,500 - $179,500 a year
- Online Application
- Computer Science
- 5 years
- Office
3d
Platform Engineer (Saas)
Amyx, Inc. —Fort Belvoir, VA
- $90,000 - $125,000 a year
- Full-time
- Computer Science
- Mid-level
- SQL
- Wellness program
- Health savings account
Lead Engineer for Navy Undersea Warfare C2
General Dynamics Mission Systems, Inc —Manassas, VA
- $156,965 - $174,134 a year
- Full-time
- 6 years
- Master's degree
- Senior level
- Paid parental leave
- Health insurance
Data Analyst/Instructor (Kaiserslautern, Germany)
JANSON —Fairfax, VA
- Full-time
- Computer science
- Computer Science
- 3 years
Quick Apply
Senior Platform Engineer (OCI)
Navy Federal Credit Union —Vienna, VA
- $114,500 - $179,500 a year
- Online Application
- Computer Science
- 5 years
- Office
Insider Threat Program Senior Network Engineer
Leidos —Lorton, VA
- $139,100 - $251,450 a year
- Full-time
- System design
- Bachelor's degree
- Fair chance
AI Engineer Topsecret Clearance
Lambentwit technologies —Dulles, VA
- $175,000 - $225,000 a year
- Email
- Azure
- Computer Science
- System design
- Health savings account
- Dental insurance
Quick Apply
Senior Elastic Engineer
Freddie Mac —McLean, VA
- $122,000 - $184,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
Senior WAN Encryption Engineer & Architect
Virginia Tech Applied Research Corporation —Arlington, VA
- $225,000 - $275,000 a year
- Full-time
- Travel
- US work authorization
- Senior level
Quick Apply
10d
Principal Unified Communications Engineer
Amentum —Warrenton, VA
- $175,000 - $195,000 a year
- Overtime
- Microsoft Outlook
- 11+ years
- High school diploma or GED
- Health savings account
- Health insurance
Quick Apply
NCIS VTC Engineer | Active TS/SCI clearance
General Dynamics Information Technology —Quantico, VA
- $128,039 - $173,229 a year
- Customer service
- 5 years
- Bachelor of Science
- Paid time off
- 401(k) matching
Senior Python Developer
Leidos —Chantilly, VA
- $131,300 - $237,350 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
Senior DevOps Engineer
Leidos —Virginia
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Bachelor of Science

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application security engineer jobs near manassas va

Lead Security Application Engineer

3Si Security Systems
Alexandria, VA

Quick Apply

Job Details

$115,000 - $150,000 a year
8 days ago

Qualifications

Enterprise software

Full Job Description

At 3Si, our mission is to make your world, safer. As a global leader in innovative security technology, we help businesses and law enforcement prevent and respond to crime through field-proven solutions and trusted partnerships. With over 100+ years of combined experience through our merged companies, our expertise drives measurable impact in communities worldwide.

We specialize in GPS tracking, video surveillance, and integrated response technologies that deter theft and accelerate criminal apprehension. Designed for retail, financial institutions, law enforcement, and more, our solutions combine cutting-edge tools with unmatched response capabilities. Through our exclusive DirectToDispatch™ technology, verified crime alerts are sent directly to law enforcement dispatch centers in real time—bypassing traditional third-party monitoring delays—to enable rapid, precise response when it matters most.

At 3Si, meaningful work makes a difference. We’re a purpose-driven team that values innovation, trust, and collaboration. From engineering to sales and support, every role contributes to our mission to protect communities and make the world safer. We offer a flexible work culture, competitive benefits, and the chance to grow alongside a team of passionate, dedicated professionals.

Join us—and be part of something that matters. The Lead Security Application Engineer also internally known as our Lead Security Systems Engineer, plays a pivotal role in the design, development, deployment, and optimization of secure Video Management Software (VMS) and Physical Security Information Management (PSIM) solutions for government clients. This individual leads a team of Video Management System Engineers and collaborates with cross-functional teams to ensure the seamless functionality and performance of enterprise-level video security platforms, including our Surveill VMS.

This position requires strong technical leadership, hands-on experience with enterprise VMS/PSIM technologies, and a proactive, mission-driven mindset to help shape the future of secure video systems for high-impact environments.

Primary Responsibilities

Lead the design, development, and optimization of Surveill and other secure video management software solutions.
Manage and mentor a team of Video Management System Engineers, ensuring high performance and alignment with project goals.
Oversee commissioning logic development, testing, and deployment for PSIM platforms.
Collaborate with cross-functional teams to enhance the functionality and integration of VMS and PSIM systems.
Define product and technical requirements based on stakeholder input and user feedback.
Troubleshoot and resolve complex video system issues with minimal disruption to operations.
Ensure system scalability, performance, and uptime across domestic and OCONUS client sites.
Lead the deployment and maintenance of video management infrastructure and ensure proper documentation.
Create and maintain detailed technical documentation, including system architecture, configuration, test results, and training materials.
Perform other duties as needed to support mission-critical operations.

Knowledge, Skills, and Abilities

Quick learner (much of what we do is proprietary and must be learned on the job).
Strong leadership and team management skills with the ability to guide technical staff.
Deep understanding of Video Management Systems.
Knowledge of PSIM platforms and their integration with physical security technologies.
Familiarity with networking concepts, security protocols, and TCP/IP.
Proficiency with video technologies including Codecs/Protocols (e.g., h.264/265), Multicast/Unicast, and video streaming.
Experience working with Microsoft SQL Server (2005/2008+) and writing SQL queries.
Strong problem-solving and analytical thinking capabilities.
Effective organizational skills with the ability to manage multiple priorities and incidents.
Excellent communication and documentation skills for both technical and non-technical audiences.
Ability to work independently, self-motivate, and collaborate with cross-functional teams.
Experience in Physical Security or Force Protection is a plus.
Understanding of modern programming languages is helpful but not required.

Qualifications

4–5 years of hands-on experience with enterprise Video Management Systems.
Bachelor’s degree in Computer Science, Information Technology, Networking, Electrical Engineering, or a related field.
Relevant military training or industry certifications (e.g., CompTIA Network+, Security+, Cisco CCNA, Microsoft) may substitute for a degree.
Equivalent combination of education and practical experience in VMS or physical security systems will be considered.
One year of practical experience networking or IT
Experience and knowledge of the physical security information management industry preferred.
Experience in Physical Security / Force Protection preferred.
Understanding of modern programming languages (useful but not required; helps to quickly learn PSIM commissioning).

Additional Comments

Active Secret or higher U.S. Government security clearance required
Position on-site in Alexandria, VA
Up to 50% OCONUS travel required
On-Call Requirement: Rotating on-call schedule shared across the team.
Successful candidates must pass a comprehensive background investigation
A pre-employment drug screening is required

Salary Range $115k - $150k per year depending on experience

Quick Apply

Refine Your Search

application security engineer jobs in manassas va

Lead Security Application Engineer

ICAM Engineer - Identity, Credential, and Access Management

Senior Application Engineer (Oracle Fusion HCM Applications)

DevOps / Security Engineer — Cloud Platform & IoT Systems

Unified Communications Engineer - Senior

AI Engineer (Aviation)

Autonomous Systems Software Engineer

Senior Application Engineer

Platform Engineer (Saas)

Lead Engineer for Navy Undersea Warfare C2

Data Analyst/Instructor (Kaiserslautern, Germany)

Senior Platform Engineer (OCI)

Insider Threat Program Senior Network Engineer

AI Engineer Topsecret Clearance

Senior Elastic Engineer

Senior WAN Encryption Engineer & Architect

Principal Unified Communications Engineer

NCIS VTC Engineer | Active TS/SCI clearance

Senior Python Developer

Senior DevOps Engineer

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