JobsUSA Logo ImageJobs USA

  • Home
  • About Us
  • Contact Us

Information System Security Engineer-Senior -San Antonio, TX (TS)

VetJobs

Company : VetJobs

Location : San Antonio, TX

Posted Date : 28 October 2025

Job Type : Other

Category : Industrial Engineering

Occupation : Security Engineer

Job Details

Information System Security Engineer-Senior -San Antonio, TX (TS)

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking an Information System Security Engineer - Senior to join our team of passionate individuals in San Antonio, TX. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission.

The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. The Lone Wolf program boasts a professional workforce comprised of specialists throughout the Information Technology lifecycle and who contribute to a positive work environment. The Lone Wolf Team is Mission Focused, Customer Oriented, Process Guided, and Solutions Driven. Candidates interested in joining the team must be critical thinkers, have a strong work ethic, and be able to work independently or as a member of a team in a dynamic environment that supports a critical and rewarding mission. 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. The Team is expected to grow and is looking for people who can apply disciplined processes and provide imaginative solutions that enable the adoption of innovation and emerging technologies that create opportunities for transformative change.

Responsibilities:

  • Experience creating custom dashboards, writing queries, building, and generating reports, and setting up alerts and notifications using all the Cyber tools (Splunk, Tenable, Trellix).
  • Demonstrated proficiency with recognizing and onboarding new data sources into the cyber tools and analyzing the data for anomalies and trends.
  • Primarily responsible for maintaining the test and operational environments to include all cybersecurity tool sets and collaborating with systems and network engineers.
  • Use knowledge, skills, and ability to conduct research for designing, integrating, and implementing security controls into current and future products/systems thus ensuring these systems can be accredited based on compliance with the Joint Special Access Program Implementation Guide (JSIG).
  • Recommend the components to implement system security requirements using intimate knowledge of security design best practices for information systems throughout the system development life cycle to support the generation of the security engineering products.
  • Assist with the design, deployment, and administration of a multi-site, distributed Splunk environment. Including Multi-site Clustering, Search Head Clustering, Universal Forwarders, Deployer, and Deployment Server.
  • Configure, operate, and maintain Trellix and its components (ePolicy Orchestrator, Trellix Agent, Data Loss Prevention, Host Intrusion Prevention System, Policy Auditor, Asset Baseline Monitor, and Virus Scan Enterprise) on Windows and Linux creating exceptions to allow essential processes to continue uninterrupted.
  • Administration/operation of information security compliance tools/platforms with a special concentration in managing Tenable Security Center and NESSUS.
  • Provide Tier 1, 2, and 3 maintenance support for deployed cyber security technologies.
  • Assist with periodic and regular security assessments.
  • Assist with the development and maintenance of information security policies, standards, and control procedures to enable compliance with RMF.
  • Assist with POA&M management, mitigation statement formulation, and interfacing with system administrators to resolve open findings of high and at-risk systems.
  • Perform security assessments on hardware/software products to include physical, virtual, boundary, and security appliances.
  • Implement continuous monitoring tools and processes, development of improvements to security assessments regarding accuracy and efficiency as well as integration of new techniques to improve the confidentiality - integrity - availability of network/operational systems at multiple classifications levels.

Requirements:

  • Experience in Splunk role while working in a Splunk Clustered Environment
  • Knowledge and experience with NESSUS/ACAS and Trellix administration
  • Ability 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:

  • 10 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 certs include - CCNA Security, GISCP, GSEC, Security+ CE, SSCP
    • Level III certs include - CASP CE, CCNP Security, CISA, CISSP (or Associate), GCED, GCIH

Preferred:

  • Ability to work within VMWare, VCenter, and Nutanix building Red Hat systems
  • Configure, operate, and maintain ForeScout, Tripwire and Ivanti tool suites
  • Possess understanding and experience with common cybersecurity toolsets and processes to include STIGS, IAVA Management and Implementation, and OPORD/FRAGO support
  • Demonstrated experience in analysis simulation environment, configuration/troubleshooting software/hardware enhancements, application deployments, and infrastructure upgrades in a dynamic information system hosting environment
  • Proficiency with Red Hat/Linux
  • Managing Red Hat Satellite/Ansible
  • At least one of the following certifications is preferred:
    • Splunk Core Certified Advanced Power User
    • Splunk Enterprise Certified Administrator
    • Splunk Enterprise Certified Architect
    • Splunk Core Certified Consultant

Trending Searches in San Antonio, TX

  • Full time jobs near me San Antonio, TX
  • Local job openings
  • Places hiring near me
  • Job vacancies near me
  • Security engineer jobs near me San Antonio, TX
  • Security engineer jobs hiring near me San Antonio, TX
  • Security engineer jobs hiring near San Antonio, TX
  • Security engineer jobs near San Antonio, TX
  • Security engineer jobs near me in San Antonio, TX
  • Security engineer jobs in San Antonio, TX

Top trending job titles hiring now

  • Cyber security engineer
  • Information security engineer
  • Network security engineer
  • Senior security engineer
  • Software engineer
  • Information security analyst
  • Cybersecurity engineer
  • Application security engineer
  • Systems engineer
  • It security engineer

Popular Searches for Security Engineer

  • Security jobs near me
  • Security engineer jobs
  • Security jobs hiring near me
  • Cyber security analyst jobs
  • Cybersecurity jobs near me
  • Jobs hiring near me security
  • Cloud security engineer
  • Part time cybersecurity job
  • Part time security jobs near me
  • Information security engineer jobs

Other Jobs You May Like

Software Engineer, Zero Trust Client

Company : Cloudflare

Location : Austin, TX

Software Engineer III -Gen AI Inferencing

Company : Bank of America

Location : Addison, TX

Avionics Systems Engineer (Crew Starship)

Company : SpaceX

Location : Clute, TX

US AI Software Engineer

Company : Apple

Location : Austin, TX

Sr. Software Engineer, Front-End Development

Company : General Motors

Location : Austin, TX

Security Engineer

Company : Insight Global

Location : Dallas, TX

Staff Systems Engineer- Plant Floor Monitoring & Control

Company : General Motors

Location : Austin, TX

Senior Software Engineer, Full Stack (Servicing Tech)

Company : Capital One

Location : Fort Worth, TX

Senior Software Engineer, Backend (Servicing Tech)

Company : Capital One

Location : Fort Worth, TX

Sr. Software Engineer, Full Stack

Company : Capital One

Location : Fort Worth, TX

Digital Software Engineer Senior Analyst

Company : Citi

Location : Irving, TX

Software Engineer - Promotions Services

Company : Disability Solutions

Location : Frisco, TX

DLP Security Engineer

Company : Diverse Lynx

Location : Austin, TX

Security Systems Engineer (Remote)

Company : Cisco

Location : Austin, TX

Top searches

  • Jobs hiring immediately
  • Part time jobs near me
  • Full time jobs near me
  • Jobs that are hiring near me
  • Jobs near me hiring now
  • Security engineer jobs near me
  • Security engineer jobs
  • Security engineer jobs hiring near me
  • Security engineer openings near me
  • Security engineer vacancies near me

Employment opportunities at VetJobs

  • VetJobs jobs near me San Antonio, TX
  • VetJobs jobs hiring near me San Antonio, TX
  • VetJobs jobs near San Antonio, TX
  • VetJobs jobs hiring near me
  • VetJobs openings near me
  • VetJobs jobs near me in San Antonio, TX
  • VetJobs jobs hiring in San Antonio, TX
  • Employment opportunities near me
  • Job openings near me
  • Jobs hiring immediately
  1. Home
  2. Companies
  3. VetJobs Jobs Hiring Near Me
  4. Information System Security Engineer-Senior -San Antonio, TX (TS) job in San Antonio, TX, US
JobsUSA Footer Logo ImageJobs USA

Email: admin@jobsusa.ai

Address: 100 Summit Dr, Burlington,
Massachusetts 01803, US

twitter linkedin instagram

Useful Links

  • Blogs
  • Jobs By Company
  • Cookie Policy
  • Privacy Policy
  • Terms and Conditions

Browse Categories

  • Nursing
  • Therapy
  • Management
  • Physicians & Surgeons
  • Administrative Assistance
  • Medical Technician
  • Retail
  • Sales
  • Driving
  • Installation & Maintenance

© 2025 Jobs USA.
All Rights Reserved.