Top 26 Senior react Jobs in San Antonio, Tx

Senior ISSE (Trellix/HBSS focus)
Amentum —San Antonio, TX
- $145,000 - $175,000 a year
- Overtime
- Microsoft Outlook
- System design
- Windows
- Health savings account
- Employee stock purchase plan
Quick Apply
Senior ISSE
Amentum —San Antonio, TX
- $150,000 - $170,000 a year
- 8 hour shift
- Microsoft Outlook
- System design
- Research
- Health savings account
- Health insurance
Quick Apply
Senior Full Stack Developer - Remote
ATTAINX INC —San Antonio, TX
- $150,000 - $160,000 a year
- Remote
- Computer science
- 7 years
- Computer Science
- Disability insurance
- Health insurance
Quick Apply
1d
Senior .Net Developer
Tata Consultancy Services —San Antonio, TX
- $90,000 - $110,000 a year
- Software troubleshooting
- Office
- SQL
Senior Full Stack Developer
Guidehouse —San Antonio, TX
- $92,000 - $153,000 a year
- 6 years
- Bachelor's degree
- Travel
- Commuter assistance
- Health savings account
FDE Senior Manager
Deloitte —San Antonio, TX
- $189,200 - $372,900 a year
- Full-time
- Azure
- Computer Science
- Up to 50% travel
10d
Senior Full Stack Python/JavaScript Developer
Guidehouse Digital, LLC —San Antonio, TX
- $92,000 - $153,000 a year
- Full-time
- Bachelor's degree
- Travel
- Mentoring
- Commuter assistance
- Health savings account
Unified Communications Engineer - Senior
Amentum —San Antonio, TX
- Overtime
- Microsoft Outlook
- 8 years
- High school diploma or GED
Senior Software Engineer - Python
HEB —San Antonio, TX
- Full-time
- Computer science
- Computer Science
- 5 years
Cyber Identity - FDE Senior Consultant - Senior Engineering Management Specialist
Deloitte —San Antonio, TX
- $134,500 - $265,100 a year
- Full-time
- Azure
- Computer Science
- Up to 50% travel
10d
Senior Python/Java Script Full Stack Developer
Guidehouse Digital, LLC —San Antonio, TX
- $92,000 - $153,000 a year
- Full-time
- Bachelor's degree
- Travel
- Mentoring
- Commuter assistance
- Health savings account
Senior Front End Web Developer
Futurex —Bulverde, TX
- Computer science
- Computer Science
- 5 years
Quick Apply
Senior Manager, Solution Architect
PRICE WATERHOUSE COOPERS —San Antonio, TX
- $124,000 - $280,000 a year
- 6 years
- Computer Science
- Java
- Paid holidays
- Health insurance
Deloitte Cyber Forward Deployed Engineer/Senior Consultant
Deloitte —San Antonio, TX
- $113,100 - $208,300 a year
- Full-time
- Azure
- Computer Science
- AWS
Sr. Developer - Application Development JAVA N 4B
Genpact LLC —San Antonio, TX
- $55,000 - $68,500 a year
- Full-time
- Computer Science
- English
- Office
Quick Apply
Sr. Product Designer - Growth
Marit Health —United States
- From $175,000 a year
- Contract
- 5 years
- Senior level
- HTML
- Health insurance
- Dental insurance
Quick Apply

More jobs to discover

Find similar jobs that you might be interested in.

Senior ISSE (Trellix/HBSS focus)
Amentum —San Antonio, TX
In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology…
$145,000 - $175,000 a year
Quick Apply
Senior ISSE
Amentum —San Antonio, TX
Create and maintain custom dashboards, develop complex queries, generate reports, and configure alerts and notifications using cybersecurity tools such as…
$150,000 - $170,000 a year
Quick Apply

Show more similar jobs

Explore jobs in cities nearby

Check out jobs in cities near your current location, Columbus

Senior React Developer (Micro-Frontends) - Direct Hire- Hybrid - Dublin, OH - W2 only
Stafford Technology —Dublin, OH
This role focuses on developing high-performance, enterprise-scale applications and driving best practices across frontend engineering.
$130,000 - $155,000 a year
Quick Apply
Senior Frontend Developer
Stafford Technology —Worthington, OH
Experience with design tools such as Figma, Illustrator, or Photoshop. This role focuses on developing reusable UI components, enhancing website functionality,…
$45 - $52 an hour
Quick Apply
9d

Show more jobs in cities nearby

I want to receive the latest job alert for senior react in san antonio, tx

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

senior react jobs near san antonio, tx

Senior Net Developer jobs in San Antonio, TX

Senior Software Engineer jobs in San Antonio, TX

Full Stack Developer jobs in San Antonio, TX

Engineering Consultant jobs in San Antonio, TX

Senior Java Developer jobs in San Antonio, TX

Senior Solution Architect jobs in San Antonio, TX

Senior Benefits Analyst jobs in Remote

Senior Software Engineer jobs in Irving, TX

Senior Software Engineer jobs in Stony Brook, NY

Senior Copywriter jobs in Los Angeles, CA

Senior Software Engineer jobs in Vietnam, PR

Senior Software Engineer jobs in San Juan, PR

Full Time jobs in Martinsville, VA

Web Developer jobs in Buffalo, NY

Full Stack Developer jobs in Honolulu, HI

Full Stack Developer jobs in Baltimore, MD

Full Stack Developer jobs in Manchester, CT

Full Stack Developer jobs in Louisiana

Software Developer jobs in Charlotte, NC

Sports Communications Internship jobs in Pennsylvania

Senior ISSE (Trellix/HBSS focus)

Amentum -
San Antonio, TX

Quick Apply

Job Details

Full-time
$145,000 - $175,000 a year

Benefits

Health savings account
Employee stock purchase plan
Health insurance
Dental insurance
401(k)
Flexible spending account
Tuition reimbursement
Paid time off
Parental leave
Employee assistance program
Vision insurance
401(k) matching
Referral program

Qualifications

Vulnerability scanning implementation
Secret Clearance
Nessus
IAT Level III
Bachelor's degree
Splunk
Log analysis tools
Vulnerability management
IAT
IAT Level II
Vuls
SDLC

Full Job Description

Job DescriptionJob Description

In support of a challenging, critical, and rewarding program that provides integrated voice, video, and data services throughout the Information Technology lifecycle, Amentum is seeking Senior Information System Security Engineer (ISSE) to serve as a subject matter expert in the design, implementation, and optimization of enterprise security toolsets. The successful candidate will lead the engineering efforts for the Trellix (ePO) ecosystem and the ACAS (Nessus) suite, ensuring mission-critical assets remain secure, compliant, and resilient. This role requires a blend of high-level security architecture, hands-on troubleshooting, and the ability to drive secure-by-design principles across the System Development Life Cycle (SDLC). You must be a critical thinker, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment. We value candidates who are detail-oriented while also being able to think and react quickly to emerging and unique problem sets. To be successful, you must be able to rapidly adapt and learn how to operate the front and back end of new products and processes.

Work Schedule:

5 Days (Mon – Fri); 8 hrs/Day; 40 hrs/wkly

Essential Responsibilities:

The duties and responsibilities of the Senior Information Systems Security Engineer include, but are not limited to the following:

Endpoint Security Engineering (Trellix/ePO)
Ecosystem Management: Expertly design, configure, and maintain Trellix components (ePO, Trellix Agent, DLP, HIPS, Policy Auditor, ABM, and VSE) across Windows and Linux environments.
Policy Development: Author and deploy endpoint security policies for ENS modules (Threat Prevention, Firewall, Web Control) based on DISA STIGs and organizational needs.
Threat Mitigation: Develop custom signatures, rules, and exceptions to address zero-day threats and specific operational requirements.
Operational Continuity: Validate custom exceptions to ensure uninterrupted operation of mission-critical processes without compromising compliance.
Vulnerability Management (ACAS/Nessus)
Architecture & Strategy: Design enterprise-wide vulnerability scanning strategies and manage the deployment of Security Centers and Nessus scanners.
Advanced Troubleshooting: Serve as the final escalation point for complex scan issues, credentialing problems, and system communication failures.
Risk Reporting: Configure automated reporting of compliance data to continuous monitoring systems and risk-scoring repositories.
Security Integration & Engineering
Tool Orchestration: Integrate Trellix and ACAS with tools such as Splunk, XSOAR, and ServiceNow to automate workflows and enhance incident response.
RMF Support: Provide authoritative recommendations and ACAS-generated artifacts to support the Assessment and Authorization (A&A) process and RMF packages for Authority to Operate (ATO).
Strategic Oversight: Lead the maintenance and scalability of test, development, and operational environments, collaborating with Network and DevSecOps teams to enhance resilience.
Multi-Tier Support: Deliver Tier 1–3 maintenance and incident response for the full cybersecurity portfolio (ACAS, Trellix, Splunk, XSOAR).
Compliance Mastery: Deep understanding of DISA STIGs, NIST 800-53, and the Risk Management Framework (RMF).

Minimum Requirements:

Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI
Knowledge and experience with NESSUS/ACAS and Trellix administration
Experience in Splunk role while working in a Splunk Clustered Environment
Must be able to work a 40-hour work week, normally Monday through Friday.
Ability to work overtime during critical peaks and be available to meet last-minute requests for overtime if needed.
Ability to travel (5-10%) primarily within 75 miles.
Familiarity with MS Office applications such as Excel, Word, Outlook, SharePoint, Project, and Visio.
Exceptional attention to detail; excellent verbal and written communication skills; strong critical thinking, organizational, time-management, and problem-solving skills.    
Ability to work both independently and as part of a team in a dynamic environment.

Clearance Required:

Must have active Top-Secret clearance with SCI or TS with the ability to acquire SCI

Minimum Education:

Bachelor’s Degree in a related field (Cyber and/or Engineering)

Minimum Years of Experience:

8 years of relevant experience

Required Certifications:

Must possess, or be able to obtain, one of the following 8140 IAT Level II or III baseline certifications before a start date:
Level II certifications include – CCNA Security, GISCP, GSEC, Security+ CE, SSCP
Level III certifications include – CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH

Preferred Qualifications:

RHEL Administration: Proficient understanding of Red Hat Enterprise Linux (RHEL) 8 and 9, including the ability to monitor and maintain cybersecurity tools at the OS level.
SOAR Automation: Experience managing the full lifecycle of XSOAR infrastructure, including building complex playbooks, custom scripts, and integrations to automate cyber workflows.
Splunk O&M: Proficiency in Splunk Operations & Maintenance, including managing distributed components, index management, version upgrades, and creating custom dashboards via the Monitoring Console.

#INDTech

Job Type: Full-time

Pay: $145,000.00 - $175,000.00 per year

Benefits:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Flexible spending account
Health insurance
Health savings account
Paid time off
Parental leave
Referral program
Tuition reimbursement
Vision insurance

Compensation Package:

Employee stock purchase plan

Education:

Bachelor's (Required)

Experience:

Trellix/HBSS Administration: 10 years (Required)
Tier III Security Support: 10 years (Required)

License/Certification:

IAT Level II (Required)
IAT Level III (Preferred)

Security clearance:

Secret (Required)

Ability to Relocate:

San Antonio, TX 78218: Relocate before starting work (Required)

Work Location: In person

Quick Apply

Refine Your Search

senior react jobs in san antonio, tx

Senior ISSE (Trellix/HBSS focus)

Senior ISSE

Senior Full Stack Developer - Remote

Senior .Net Developer

Senior Full Stack Developer

FDE Senior Manager

Senior Full Stack Python/JavaScript Developer

Unified Communications Engineer - Senior

Senior Software Engineer - Python

Cyber Identity - FDE Senior Consultant - Senior Engineering Management Specialist

Senior Python/Java Script Full Stack Developer

Senior Front End Web Developer

Senior Manager, Solution Architect

Deloitte Cyber Forward Deployed Engineer/Senior Consultant

Sr. Developer - Application Development JAVA N 4B

Sr. Product Designer - Growth

More jobs to discover

Explore jobs in cities nearby

I want to receive the latest job alert for senior react in san antonio, tx

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected