Top 372 Systems security engineer Jobs in Frederick, Md

Mid-Level UI/UX Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Computer Science
- Mid-level
- Master's degree
Automated Test Engineer
Leidos —Maryland
- $92,300 - $166,850 a year
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Bachelor of Science
- Flexible schedule
6d
Senior Azure Cloud Integration Engineer
Leidos —Maryland
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- 6 years
- Computer Science
- System design
7d
Lead Systems Integration Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- 6 years
- Master's degree
- Analysis skills
Sr. Linux Systems Engineer
General Dynamics Information Technology —Germantown, MD
- $142,792 - $178,250 a year
- Computer science
- Azure
- Computer Science
- Health insurance
- Paid time off
Server Systems Engineer - Full-time with Benefits
Frederick Health Hospital, Inc. —Frederick, MD
- $90,500.80 - $129,688.00 a year
- Overtime
- Computer science
- Computer Science
- Customer service
- Disability insurance
- Health insurance
Quick Apply
1d
Systems Engineer
Frederick Primary Care Associates —Frederick, MD
- $110,000 - $120,000 a year
- Full-time
- System design
- HIPAA
- Research
- Disability insurance
- Health insurance
Quick Apply
13h
Data Center Security Specialist, DC Security, AMER East
Amazon Data Services, Inc. —Frederick, MD
- $28 - $50 an hour
- Full-time
- Microsoft Excel
- Microsoft Outlook
- Mid-level
- AD&D insurance
- Health insurance
DevOps Engineer
ViedTech —Frederick, MD
- Weekends as needed
- Mid-level
- Windows
- 3 years
Quick Apply
Lead IT Specialist (CustSpt)
US National Institutes of Health —Montgomery County, MD
- $102,415 - $133,142 a year
- Online Application
- Remote
- Background check
- Pass drug screening
- Travel
13h
Network Engineer
CommPutercations, Inc. —Frederick, MD
- $28 - $35 an hour
- Full-time
- Mid-level
- Windows
- 3 years
- Health insurance
- Paid time off
Quick Apply
1d
System Engineer I
Frederick County Public Schools —Frederick, MD
- From $50.35 an hour
- 8 hour shift
- School experience
- Bachelor of Science
- System design
SATCOM Engineer
RSC2 INC —Fort Detrick, MD
- $88,000 - $110,000 a year
- Full-time
- Analysis skills
- Bachelor's degree
- Travel
- Health insurance
- Dental insurance
Quick Apply
Network Engineer
RSC2 INC —Fort Detrick, MD
- $71,000 - $136,000 a year
- Full-time
- Bachelor of Science
- Mid-level
- Bachelor's degree
- Health insurance
- Dental insurance
Quick Apply
Senior Network Engineer
Banner Life family of companies —Frederick, MD
- $127,500 - $175,350 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Health insurance
Data Engineer (Job#726)
Defense Acquisition Support Services LLC —Fort Detrick, MD
- $85,000 - $135,000 a year
- Mid-level
- Analysis skills
- 2 years
- Health insurance
- Dental insurance
Quick Apply
Stationary Engineer I-Fort Detrick
Constellation Energy Generation, LLC. —Fort Detrick, MD
- $38.46 - $48.95 an hour
- Weekends as needed
- Microsoft Excel
- Research
- Mid-level
- Employee stock purchase plan
- Paid holidays
8d
Functional Systems Analyst I
Cherokee Federal —Frederick, MD
- Full-time
- Background check
- Microsoft Excel
- System design
- Health insurance
- Dental insurance
Quick Apply
Systems Engineer - DevOps
Leonardo DRS —Germantown, MD
- $75,956 - $98,743 a year
- DevOps
- Engineering
- Mid-level
- Paid parental leave
- Health savings account
14d
Network Engineer (TS/Q Clearance required)
General Dynamics Information Technology —Germantown, MD
- $110,500 - $149,500 a year
- System design
- Bachelor's degree
- Travel
- Health insurance
- Paid time off

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systems security engineer jobs near frederick, md

Mid-Level UI/UX Engineer

Leidos -
Gaithersburg, MD

Apply Now

Job Details

Full-time
$87,100 - $157,450 a year

Qualifications

CSS
JavaScript frameworks
Linux
HTML

Full Job Description

Description

Ready to design technology that makes a difference? At Leidos, you’ll help shape the future of intelligence operations by creating intuitive, high-impact user experience for mission-critical systems. As a UI/UX Engineer supporting a premier Intelligence Community customer, you’ll turn complex challenges into elegant solutions, working alongside innovative teams to deliver capabilities that strengthen national security. This is an opportunity to see your designs move beyond the screen and directly support real-world missions of national importance.

Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world. Our team’s focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.

Geospatial Analyst Solutions Directorate, part of the National Solutions Business Area, is currently seeking a skilled and experienced Mid-Level UI/UX Engineer for the Maru Program. The Maru Program delivers mission-critical, modern software solutions across our customer’s enterprise using Agile, DevSecOps, and cloud-native methodologies.

As a UI/UX Engineer, you will design and develop intuitive, user-centered interfaces for mission-critical applications. This role bridges design and engineering, focusing on creating seamless user experiences while delivering production-ready front-end solutions.

The ideal candidate has a strong foundation in user experience design, front-end development, and usability principles, with the ability to translate complex technical workflows into clean, efficient, and accessible interfaces. This individual will work closely with backend engineers, product owners, and end users to improve usability, performance, and overall user satisfaction.

Citizenship & Security Clearance Requirements

U.S. Citizenship
Active TS/SCI with the ability to successfully pass a Polygraph examination

Essential Responsibilities

UI/UX Design & Implementation: Design and develop intuitive, responsive user interfaces for web-based applications
User Experience Optimization: Translate complex workflows into simple, efficient user experiences that improve usability and adoption
Front-End Development: Build and maintain front-end components using modern frameworks (e.g., React, Angular, or similar)
Usability & Accessibility: Ensure applications meet usability standards and accessibility best practices
Design Systems: Contribute to and maintain consistent design patterns, components, and style guides
User Research & Feedback: Gather and incorporate user feedback to continuously improve interface design and functionality
Cross-Functional Collaboration: Work closely with backend engineers, product teams, and stakeholders to align UI/UX with system capabilities
Performance Optimization: Improve front-end performance, responsiveness, and scalability

Basic Qualifications

Bachelor’s degree in Computer Science, Software Engineering, or related field with 4–8 years of relevant experience or Master’s degree with 2–6 years of relevant experience
Strong experience with front-end technologies (JavaScript, HTML, CSS)
Experience with modern UI frameworks (React, Angular, etc.)
Demonstrated experience designing user-centered interfaces for complex applications
Understanding of UX principles, usability, and interaction design
Experience working in Linux-based environments
Ability to translate user needs into functional design solutions

Preferred Qualifications

Experience with design tools (Figma, Sketch, Adobe XD)
Experience with data visualization tools (e.g., Grafana or similar)
Familiarity with REST APIs and backend integration
Exposure to CI/CD pipelines and front-end deployment workflows
Experience working in Agile environments
Experience designing and developing intuitive user interfaces for data-driven GEOINT applications.

#Maru

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

June 10, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Apply Now

Refine Your Search

systems security engineer jobs in frederick, md

Mid-Level UI/UX Engineer

Automated Test Engineer

Senior Azure Cloud Integration Engineer

Lead Systems Integration Engineer

Sr. Linux Systems Engineer

Server Systems Engineer - Full-time with Benefits

Systems Engineer

Data Center Security Specialist, DC Security, AMER East

DevOps Engineer

Lead IT Specialist (CustSpt)

Network Engineer

System Engineer I

SATCOM Engineer

Network Engineer

Senior Network Engineer

Data Engineer (Job#726)

Stationary Engineer I-Fort Detrick

Functional Systems Analyst I

Systems Engineer - DevOps

Network Engineer (TS/Q Clearance required)

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