Senior Network Security Engineer
ManTech
Spry Methods is a proven provider of mission-focused technology, cybersecurity, and program management solutions supporting critical Federal and DoD missions. We specialize in delivering integrated, high-impact solutions across cyber operations, enterprise resource management, and mission support services. Our culture emphasizes collaboration, accountability, and innovation - empowering our teams to deliver meaningful outcomes in complex, high-security environments.
The Web Developer Security Engineer protects mission-critical web applications, application programming interfaces (APIs), and sensitive data by embedding security across the software development lifecycle. This role combines application security engineering, secure software development, vulnerability remediation, monitoring, and compliance support.
Identify, analyze, and remediate critical vulnerabilities, logic flaws, insecure dependencies, and misconfigurations in web applications and APIs.
Drive the vulnerability lifecycle through threat modeling, security assessments, and technical validation of remediation actions.
Support secure design patterns, data protection mechanisms, and secure communication protocols across applications and supporting services.
Review and analyze web server and application logs to detect anomalies and indicators of compromise.
Implement automation scripts for threat intelligence integration and application security monitoring.
Participate in audits, risk assessments, and security authorization activities tied to federal frameworks.
Minimum of three years of experience in web application security, application security engineering, or secure software development lifecycle work.
Hands-on experience in secure software development, DevSecOps automation, and vulnerability remediation.
Proven experience with .NET technologies, HTML5, CSS3, JavaScript, representational state transfer (REST) APIs, and structured query language (SQL).
Ability to leverage AI-assisted development tools and scripting languages to automate monitoring and compliance efforts.
Strong understanding of the Open Worldwide Application Security Project (OWASP) Top 10, secure coding standards, web application firewalls (WAFs), file integrity monitoring, and security testing tools.
Ability to perform risk assessments and provide remediation guidance for core systems and dependencies.
Bachelor's degree or higher in computer science, cybersecurity, information systems, engineering, or a related field.
Ability to meet federal screening and suitability requirements prior to start.
Current security certifications maintained for a minimum of five years:
Specialized AppSec:
Certified Secure Software Lifecyle Professional (CSSLP)
GIAC Certified Web Application Defender (GWEB)
EC-Council Certified Application Security Engineer (CASE)
Offensive Security:
OffSec Web Expert (OSWE)
Offensive Security Certified Professional (OSCP)
Foundational Security:
Security+
GSEC
In-depth experience with federal cybersecurity frameworks and authorization processes.
Experience with threat modeling, resilient security architecture, cloud security, and container security.
Medical Coverage – Cigna - 4 Options
- Traditional - PPO Open Access Plus Network
- (2) HDHP - PPO Open Access Plus Network
Dental Coverage – Cigna - PPO Base & Buy-Up Plans
Vision Coverage – Principal - VSP Choice Network
Paid Holidays: Full-time employees receive 11 paid federal holidays
Paid Time Off (PTO) – PTO accrual starts at 15 days per year
Training Benefit – Annual training allowance available toward any job-related training or education
401(k) – Multiple Fund Choices through Fidelity with a company match
For our full list of benefits, please visit
At Spry, we believe talented and dedicated employees are our most valued assets and the foundation of our success. We are committed to crafting a diverse and inclusive workplace that endorses engagement, creativity, quality and innovation.
We are proud to be an Affirmative Action and Equal Opportunity Employer and as such, we evaluate qualified candidates in full consideration without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, national origin, age, disability status, protected veteran status, and any other protected status.
Originally posted on Himalayas
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Spry Methods is a proven provider of mission-focused technology, cybersecurity, and program management solutions supporting critical Federal and DoD missions. We specialize in delivering integrated, high-impact solutions across cyber operations, enterprise resource management, and mission support services. Our culture emphasizes collaboration, accountability, and innovation - empowering our teams to deliver meaningful outcomes in complex, high-security environments.
The Web Developer Security Engineer protects mission-critical web applications, application programming interfaces (APIs), and sensitive data by embedding security across the software development lifecycle. This role combines application security engineering, secure software development, vulnerability remediation, monitoring, and compliance support.
Identify, analyze, and remediate critical vulnerabilities, logic flaws, insecure dependencies, and misconfigurations in web applications and APIs.
Drive the vulnerability lifecycle through threat modeling, security assessments, and technical validation of remediation actions.
Support secure design patterns, data protection mechanisms, and secure communication protocols across applications and supporting services.
Review and analyze web server and application logs to detect anomalies and indicators of compromise.
Implement automation scripts for threat intelligence integration and application security monitoring.
Participate in audits, risk assessments, and security authorization activities tied to federal frameworks.
Minimum of three years of experience in web application security, application security engineering, or secure software development lifecycle work.
Hands-on experience in secure software development, DevSecOps automation, and vulnerability remediation.
Proven experience with .NET technologies, HTML5, CSS3, JavaScript, representational state transfer (REST) APIs, and structured query language (SQL).
Ability to leverage AI-assisted development tools and scripting languages to automate monitoring and compliance efforts.
Strong understanding of the Open Worldwide Application Security Project (OWASP) Top 10, secure coding standards, web application firewalls (WAFs), file integrity monitoring, and security testing tools.
Ability to perform risk assessments and provide remediation guidance for core systems and dependencies.
Bachelor's degree or higher in computer science, cybersecurity, information systems, engineering, or a related field.
Ability to meet federal screening and suitability requirements prior to start.
Current security certifications maintained for a minimum of five years:
Specialized AppSec:
Certified Secure Software Lifecyle Professional (CSSLP)
GIAC Certified Web Application Defender (GWEB)
EC-Council Certified Application Security Engineer (CASE)
Offensive Security:
OffSec Web Expert (OSWE)
Offensive Security Certified Professional (OSCP)
Foundational Security:
Security+
GSEC
In-depth experience with federal cybersecurity frameworks and authorization processes.
Experience with threat modeling, resilient security architecture, cloud security, and container security.
Medical Coverage – Cigna - 4 Options
- Traditional - PPO Open Access Plus Network
- (2) HDHP - PPO Open Access Plus Network
Dental Coverage – Cigna - PPO Base & Buy-Up Plans
Vision Coverage – Principal - VSP Choice Network
Paid Holidays: Full-time employees receive 11 paid federal holidays
Paid Time Off (PTO) – PTO accrual starts at 15 days per year
Training Benefit – Annual training allowance available toward any job-related training or education
401(k) – Multiple Fund Choices through Fidelity with a company match
For our full list of benefits, please visit
At Spry, we believe talented and dedicated employees are our most valued assets and the foundation of our success. We are committed to crafting a diverse and inclusive workplace that endorses engagement, creativity, quality and innovation.
We are proud to be an Affirmative Action and Equal Opportunity Employer and as such, we evaluate qualified candidates in full consideration without regard to race, color, religion, sex, sexual orientation, gender identity, marital status, national origin, age, disability status, protected veteran status, and any other protected status.
Originally posted on Himalayas