Top 114 Network security engineer Jobs in Frederick, Md

F5 Load Balance Network Engineer
Leidos —Frederick, MD
- $92,300 - $166,850 a year
- Full-time
- 6 years
- Master's degree
- Bachelor's degree
- Opportunities for advancement
Network Operations Engineer
Intelice Solutions, LLC —Frederick, MD
- Full-time
- Azure
- Mid-level
- Office
Quick Apply
System Engineer I
Frederick County Public Schools —Frederick, MD
- From $50.35 an hour
- 8 hour shift
- School experience
- Bachelor of Science
- System design
Onsite Network Engineer
Optimal Networks —Rockville, MD
- $90,000 - $110,000 a year
- Full-time
- Microsoft Excel
- Bachelor of Science
- System design
- Health insurance
- Dental insurance
9d
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
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
Network Engineer
CommPutercations, Inc. —Frederick, MD
- $28 - $35 an hour
- Full-time
- Mid-level
- Windows
- 3 years
- Health insurance
- Paid time off
Quick Apply
3d
Senior Computer Systems Engineer/Architect
Data Systems Analysts, Inc. —Fort Detrick, MD
- $170,000 - $175,000 a year
- Computer Science
- Bachelor of Science
- Research
Sr. Network Administrator
Leidos —Gaithersburg, MD
- $92,300 - $166,850 a year
- Full-time
- 6 years
- Computer Science
- System design
8d
System Integration Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Up to 50% travel
Senior Systems Integration Engineer
Leidos —Gaithersburg, MD
- $107,900 - $195,050 a year
- Full-time
- Hybrid work
- Doctoral degree
- Computer Science
- Up to 50% travel
3d
Systems Integration Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Up to 50% travel
4d
Systems Integration Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- 6 years
- Mid-level
- Master's degree
Engineer IV, Cybersecurity
X energy LLC —Rockville, MD
- $180,000 - $205,000 a year
- Full-time
- Hybrid work
- Azure
- High school diploma or GED
- AWS
- Disability insurance
- Health insurance
Cyber Security Engineer
Altagrove LLC —Leesburg, VA
- Full-time
- Hybrid work
- Microsoft Excel
- Microsoft Outlook
- System design
Quick Apply
Network Engineer Sr
Telos Corporation —Ashburn, VA
- $90,000 - $135,000 a year
- Full-time
- Computer Science
- 5 years
- Bachelor's degree
- Health insurance
- Dental insurance
Data Center Technician
Amazon Data Services, Inc. —Frederick, MD
- $27 - $48 an hour
- Weekends as needed
- Mid-level
- High school diploma or GED
- Driver's License
- Employee assistance program
- 401(k) matching
Sr HRIS Systems Analyst
EchoStar —Germantown, MD
- $155,000.04 a year
- Full-time
- Computer Science
- Pass drug screening
- Mid-level
Network Engineer
By Light Professional IT Services LLC —Germantown, MD
- $90,000 - $140,000 a year
- Full-time
- 5 years
- System design
- Travel
3d
Network Deployment Technician, DCC Communities
Amazon Data Services, Inc. —Frederick, MD
- $27 - $48 an hour
- Full-time
- Computer science
- Computer Science
- Mid-level
- AD&D insurance
- Health insurance

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F5 Load Balance Network Engineer

Leidos -
Frederick, MD

Apply Now

Job Details

Full-time
$92,300 - $166,850 a year

Benefits

Opportunities for advancement

Qualifications

Network troubleshooting
Load balancers
Load balancing
IT system monitoring
Data backup
Technical troubleshooting support
Network infrastructure management
System performance monitoring

Full Job Description

Description

Your greatest work is ahead!

Leidos is seeking a F5 Load Balance Network Engineer to support a large enterprise IT contract for the DOD. This role is responsible for implementation, operations, and maintenance of load balancer technologies in a global enterprise across multiple networks. Duties include upgrading to new technologies, tuning performance, and implementation of critical system patches. This infrastructure may include on-premises and cloud resources. This individual will work in a team environment to ensure mission needs are met for internal and external customers.

This position is now available in multiple locations and offers the opportunity to work from any of our key sites in Alexandria, VA, Tampa, FL; MD (undisclosed), Omaha, NE; or Millington, TN.

Why Leidos?

Leidos Life promotes excellent work-life balance. You can make an impact and have time for your well-being.
Leidos offers many opportunities for career development and advancement.
Learn more about the benefits we offer: https://www.leidos.com/careers/pay-benefits.

We’re excited to offer you the opportunity to take part in additional training and certification programs designed to elevate your expertise and broaden your professional reach. These credentials not only strengthen your skillset, but also position you to engage with a wider, more diverse audience and open new pathways for growth and recognition within your field. The role is contingent upon completing classes and obtaining the certification. Please click on the link to learn more about this certification and what is required https://www.udemy.com/course/f5-101-exam-prep/?couponCode=MT250908G3

Primary Tasks:

Ensure Secure Socket Layer/Transport Layer Security (SSL/TLS) offloading and brokering PKI authentication features provided by the F5 appliance is operational at all times.
Ensure load balancing configurations and PKI certificates are backed up in accordance with customer policies.
Alert load balancing and reverse proxy customers prior to PKI certificate expiration and assist with certificate renewals as necessary.
Create, manage, and troubleshoot load balanced IP address spaces.
Develop and implement technical solutions in collaboration with engineers and architects.
Provide after-hours support to 24/7/365 IT Operations Center personnel to assist with troubleshooting service outages.
Develop and update technical solutions, operating procedures and other documentation for 24/7/365 IT Operations Center personnel to assist with initial troubleshooting and triage efforts.

Basic Qualifications:

Experienced in administering and managing F5 load balancer appliances in an enterprise environment.
Knowledge of standards, concepts, and tools to be able to complete technology monitoring and management of F5 appliances.
Technical knowledge backing up PKI certificates and appliance configurations.
Experience creating, managing, and troubleshooting load balanced IP address spaces.
Experience working independently in support of customer requirements.
Experience interfacing with team members on requirements and solutions.
Familiar with IT Service Management products such as ServiceNow.

Certifications

Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher).
Candidate must possess an F5 Certified Administrator (201) or higher certification.

Education

Bachelor's degree in a technical field with at least 8 years of prior relevant experience or Masters with 6 years of prior relevant experience. Additional years of experience may be considered in lieu of degree.

Security Clearance

Due to the nature of the government contracts we support, US Citizenship is required.
TS/SCI with Poly required for Position or TS/SCI and willingness to obtain and maintain a polygraph.

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:

July 27, 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 $92,300.00 - $166,850.00

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

network security engineer jobs in frederick, md

F5 Load Balance Network Engineer

Network Operations Engineer

System Engineer I

Onsite Network Engineer

Senior Network Engineer

Network Engineer

Network Engineer

Senior Computer Systems Engineer/Architect

Sr. Network Administrator

System Integration Engineer

Senior Systems Integration Engineer

Systems Integration Engineer

Systems Integration Engineer

Engineer IV, Cybersecurity

Cyber Security Engineer

Network Engineer Sr

Data Center Technician

Sr HRIS Systems Analyst

Network Engineer

Network Deployment Technician, DCC Communities

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