Senior Network Engineer – TS/SCI Required – San Antonio, TX onsite Job Description We are seeking a highly skilled Senior Network Engineer with a deep understanding of large system architecture to support mission-critica…
Skills: Cisco ACI, Cisco ISE, Network Engineering, Routing, Switching
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U-Haul
Storage Facility Housekeeper
San Antonio, Texas, United States · On-site
Entry level
United States This position is not eligible for employer sponsorship. Applicants must be legally authorized to work and must not require employer sponsorship. Location: 5420 Grissom Rd 215, San Antonio, Texas 78238 Unite…
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Full-time
bachelor degree, postgraduate degree
Medical, Dental, Vision, Paid Time Off, Sick Leave, Paid Federal Holidays
Posted 3d ago
~40 hrs/week
Responsibilities
The Senior Network Engineer will design, build, and troubleshoot complex network infrastructures while ensuring system availability and reliability. Responsibilities include configuring Cisco devices, managing network security, and performing maintenance tasks such as patches and upgrades.
Requirements
Candidates must possess a Bachelor's or Master's degree in a related field and at least 10 years of relevant experience in network engineering. An active TS/SCI clearance and DoD 8570.01-M IAT Level II certification are mandatory requirements.
We are seeking a highly skilled Senior Network Engineer with a deep understanding of large system architecture to support mission-critical operations. This position requires a technical expert with a proven background in operating system (OS), Cisco devices (Router, Firewall, Switch), Commercial Automation Software (CAS), and Commercial Off-The-Shelf (COTS) product lifecycles. The ideal candidate will be experienced in secure communications, large-scale infrastructure planning, and
Department of Defense (DoD) environments and Air Force integration lab
environments.
Responsibilities
Cisco ACI and Cisco ISE Knowledge
Configure and Install various network devices and services ( Routers, Switches, IP addresses, VLANs, routing protocols, MPLS, VPN, QOS)
Proven experience in a network administrator roles
Excellent knowledge and troubleshooting skills on SD WAN, LAN segmentation, Cisco Switches, Cisco Wireless Access Points, Cisco Wireless Controllers, Cisco Routers, and Riverbed Bandwidth Optimizers
Maintain design of LAN/WAN including protocols and routing
Proven hands-on experience in networking, routing, and switching
Solid understanding of network operating systems (Cisco IOS)
Sharp troubleshooting skills
Ability to work independently
Deep understanding of Networking protocols ( IPSEC, HSRP, BGP, OSPF)
Solid understanding of the OSI or TCP/IP Model
Hands-on experience with Monitoring network diagnostic and network analytics tools
Excellent Written and Verbal Communication
Stay up to date with the latest networking technologies and best practices
Monitoring all active network equipment, ensuring seamless operations, system availability, and reliability
Responsibilities for a Network Engineer include but are not limited to: configuration and management of Cisco switches and routers, firewalls, and support to system administration team in deployment at new sites
Design, build, test, and troubleshoot a complex network
Troubleshooting and resolving network issues, implementing security measures, and proactively optimizing network performance
Performing network maintenance and system upgrades including service packs, patches hot fixes, and security configurations
Configure and Install various network devices and services ( Routers, Switches, IP addresses, VLANs, routing protocols, MPLS, VPN, QOS)
Monitor system resource utilization, trending, and capacity planning
Engineer Level support and troubleshooting to resolve issues.( This includes diagnosing network problems, analyzing network logs, and implementing solutions and resolve network issues)
Work within established configuration and change Management policies
Assist in network design and implementation
Troubleshoot issues with Network Deployment
Identify potential failures and recommend solutions
Liaise with Vendors and other IT personnel for Problem resolution
Update knowledge base with known errors
Basic Qualifications
Bachelor's or Master’s Degree in Computer Science, Information Technology, Engineering, or a related field.
10+ years of relevant experience in network engineering and large system architecture.
Active TS/SCI clearance
In-depth understanding of:
Cisco ACI and Cisco ISE Knowledge
Operating Systems (e.g., Linux, Windows Server)
CAS tools and integration
COTS product evaluation, implementation, and lifecycle management
ServiceNow
DoD 8570.01-M IAT Level II certification, such as:
Security+ CE
CCNA, CCNA-Security
Preferred Qualifications
CCNP
Strong problem-solving skills and ability to work in high-pressure environments.
Excellent verbal and written communication skills.
Familiarity with virtualization technologies, cloud platforms, and software-defined networking (SDN).
Experience working with government agencies or in classified environments.
Benefits
Medical, Dental, Vision (company paid for employee and dependents), Paid Time Off, Sick Leave, Paid Federal Holidays, Education and Certification Reimbursement Program, 401(k) retirement plan with safe harbor employer match after 3 months, Prepaid legal plan and ID protection plan available, Accident Insurance, Critical Illness Insurance, and Hospital Indemnity Insurance available.
EEOC Statement
IPSecure does not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, disability or status as a protected veteran.
Related keywords
Cisco ACICisco ISETS/SCI ClearanceDoDNetwork EngineeringSD-WANLAN/WANMPLSVPNQOSBGPOSPFIPSecHSRPLinuxWindows Server
IPSecure provides Cyber Security Solutions to the Government and Commercial companies worldwide. We take pride in having the experience, dedication, and resources necessary to offer our clients a broad of services. The level of expertise we have at IPSecure is rarely found in a company of our size which allows us to offer unmatched customer service and solution design regardless of your company size or need. Our main concern is that your enterprise is safe, secure and operational 24/7.
IPSecure is an 8(a), small disadvantaged business which provides a broad range of Information Technology (IT) services to the Government and private sector companies globally.
CAPABILITIES
• Information Assurance
• Risk Management Framework
• Policy Development
• Telecommunications Security
• Voice and Video over IP (VVoIP) Security
• Cryptologic Vulnerability Testing
• OS Vulnerability Testing and Hardening
• Software Development
• Network Security/Defensive Cyber Operations
• Host Based Security
• Red/Blue Field Assessments
• Database Design & Administration
• JITC Certified InterOperability Testing
• Engineering
• Network Design
• Real-Time Service Testing
• IPv6 Testing
• Public Key Encryption
• SSL Decryption
• Web Design & Administration
COMPANY HISTORY
Founded in 2000 in San Antonio, Texas, IPSecure originally ventured into the world of software development. The company soon evolved to include Telecommunication and Cyber Security with the goal to provide aggressive Information Assurance and Cyber Security support to all of our customers. Through many years of success, our company has grown to include Cyber network attack/defense/exploitation of government and commercial networks while continuing to provide unsurpassed customer service to our clients.
Offices: 12001 Network Blv, 200, San Antonio, TX 78249, US · Port San Antonio - 903 Billy Mitchell, 110, San Antonio, TX 78226, US
Information TechnologyCyber SecurityInformation Services
How many Security & Safety jobs are open in San Antonio, TX right now?
There are currently 1,300 open security & safety positions in San Antonio, TX listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Security & Safety roles in San Antonio, TX?
Companies currently hiring include Allied Universal, Booz Allen Hamilton, Texas Department of State Health Services, CACI International Inc, Cayuse Holdings, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Security & Safety jobs in San Antonio, TX?
Yes — 107 of the 1300 open security & safety positions offer remote or hybrid work (29 remote, 78 hybrid).
How do I apply for Security & Safety jobs in San Antonio, TX?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.