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Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
$75k–$83k/yr
Full-time
bachelor degree
Medical coverage, Dental coverage, Life insurance, Paid holidays, Paid vacations, 401k plan with company match
Posted 1d ago
~40 hrs/week
Remote in Virginia, United States
Responsibilities
The role involves leading application security initiatives, including vulnerability management, security automation, and the integration of security controls throughout the software development lifecycle. The engineer will partner with development and DevOps teams to remediate security risks and provide guidance on secure coding practices.
Requirements
Candidates should have at least 5 years of experience in application security or secure development and possess a bachelor's degree in a related field. Proficiency in security tools like SAST, SCA, and ASPM, along with knowledge of secure SDLC and threat modeling, is required.
Full job description
An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.Come join the excellence!
Overview
The Senior Application Security Engineer is responsible for advancing the organization's secure software development program by integrating security throughout the software development lifecycle (SDLC). This role partners closely with application development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications. The position leads application security initiatives including Static Application Security Testing (SAST), Software Composition Analysis (SCA), Application Security Posture Management (ASPM), CI/CD security integrations, container security scanning, vulnerability management, and security automation. The engineer will support security assessments, threat modeling, secure code review processes, and security tooling integrations across multiple business units. Responsibilities also include managing AppSec intake processes, developing operational runbooks, driving remediation activities, and supporting strategic security transformation initiatives. These responsibilities align with the work currently owned by the departing Application Security resource, including ArmorCode ASPM implementation, SAST/SCA integrations, AppSec automation, GitLab container scanning initiatives, and management of high-priority application security activities.
Responsibilities
This role partners closely with application development, DevOps, infrastructure, and security teams to identify, assess, and remediate application security risks while enabling secure delivery of business applications. The position leads application security initiatives including Static Application Security Testing (SAST), Software Composition Analysis (SCA), Application Security Posture Management (ASPM), CI/CD security integrations, container security scanning, vulnerability management, and security automation. The engineer will support security assessments, threat modeling, secure code review processes, and security tooling integrations across multiple business units. Responsibilities also include managing AppSec intake processes, developing operational runbooks, driving remediation activities, and supporting strategic security transformation initiatives. These responsibilities align with the work currently owned by the departing Application Security resource, including ArmorCode ASPM implementation, SAST/SCA integrations, AppSec automation, GitLab container scanning initiatives, and management of high-priority application security activities.
Key Responsibilities
Lead application security assessments and vulnerability management activities.
Implement and manage SAST, SCA, container, and CI/CD security controls.
Drive ASPM platform adoption and security tool integrations.
Partner with development teams to remediate security findings and improve secure coding practices.
Develop and maintain AppSec automation, workflows, and operational runbooks.
Support threat modeling, architecture reviews, and secure design consultations.
Prioritize and manage remediation efforts for critical and high-risk vulnerabilities.
Provide application security guidance across multiple business units and technology teams.
Qualifications
Preferred
Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field.
5+ years of Application Security or Secure Development experience.
Experience with SAST, SCA, DAST, ASPM, container security, and CI/CD security controls.
Hands-on experience with GitLab, GitHub, Azure DevOps, or similar development platforms.
Knowledge of OWASP Top 10, threat modeling, secure SDLC, and vulnerability management.
Strong communication and stakeholder management skills.
Relevant certifications such as CISSP, CSSLP, GSEC, GWAPT, or GIAC certifications preferred.
For this role, we anticipate paying $75,000 - $83,000 annually. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate’s knowledge, skills, abilities, and geographic location. TNS offers a competitive benefit package including medical and dental coverage, life insurance, paid holidays and vacations, and a 401K plan with company match.
If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about!
TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic.
Related keywords
Application SecuritySASTSCAASPMCI/CDContainer SecurityVulnerability ManagementSecurity AutomationThreat ModelingSecure SDLCGitLabGitHubAzure DevOpsOWASP Top 10CISSPCSSLP
Infrastructure-as-a-Service to Enable Mission-Critical Transactions
Industry
Telecommunications
Company size
1,001-5,000 employees
Founded
1990
Headquarters
Reston, Virginia
LinkedIn followers
38,004
TNS is a global provider of Infrastructure-as-a-Service (IaaS) solutions to the financial, communications and payments markets. Established more than 30 years ago, its extensive portfolio of innovative, value-added services supports thousands of organizations across more than 60 countries to interact efficiently, conducting mission critical processes securely and adopt new technologies flexibly. TNS’ state-of-the-art, scalable, and secure communications solutions make TNS a leader in an increasingly connected world.
In 2021 TNS became a wholly owned subsidiary of Koch Equity Development LLC, the investment and acquisition arm of Koch Industries. For more information, please visit tnsi.com
Offices: 10740 Parkridge Boulevard, Suite 100, Reston, Virginia 20191, US · 5 Europa View, Sheffield, South Yorkshire S9 1XH, GB · Calle de la Retama, 7, Planta 9 – Módulo 1, Madrid, Community of Madrid 28045, ES · 123 Pitt Street, Level 10 Angel Place, Sydney, NSW 2000, AU · 606 Columbia St NW, Suite 200, Olympia, Washington 98501, US
TelecommunicationsFinancial MarketsPaymentsPoint of Sale (POS)Information Technology and ServicesConnectivityATMsRoaming SIMsManaged HostingCloud Services
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