XSITE LLC
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IT Networking Systems Specialist
role at
XSITE LLC 3 weeks ago Be among the first 25 applicants Join to apply for the
IT Networking Systems Specialist
role at
XSITE LLC This range is provided by XSITE LLC. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range
$110,000.00/yr - $160,000.00/yr Position Title: IT Networking Systems Specialist (Mid-Level)
Location: Onsite – San Diego, CA
Security Clearance: Active TS/SCI required
Employment Type: Full-time
Start Date: Immediate hire preferred
About XSITE LLC
XSITE LLC is a mission-driven, veteran-friendly, and rapidly growing defense contractor committed to delivering innovative technology solutions across AI/ML, software development, systems engineering, and modeling & simulation. With a focus on empowering national defense, our team of dedicated professionals thrives in high-impact environments, solving complex challenges alongside military, government, and industry partners.
Position Overview
XSITE LLC is seeking a IT Networking Systems Specialist to provide subject matter expertise to a key government client in San Diego, CA. The ideal candidate will bring technical depth in networking technologies, especially Software Defined Networking, and possess the professionalism to engage with high-level stakeholders across the defense ecosystem. This role will directly support efforts to modernize and optimize wide area networks in tactically constrained environments.
Core Responsibilities
Provide technical support for the design, development, and implementation of modern WAN architectures in tactical environments. Assist in the development and evaluation of network roadmaps to align with emerging mission needs and technology trends. Apply knowledge of Software Defined Networking (SDN), overlay networks, and tactical afloat WANs to assess feasibility and performance tradeoffs. Interface with stakeholders including Program Office personnel, Senior Executives, and Flag Officers to deliver recommendations and status updates. Work onsite with client teams, ensuring clear communication and responsive support for evolving requirements. Evaluate commercial and military satellite transport link integration within WAN designs. Navigate disconnected, intermittent, and limited bandwidth (DDIL) environments and advise on best practices for reliable network performance.
Required Qualifications
Active TS/SCI Clearance (No exceptions). Bachelor's degree in a relevant field (e.g., Engineering, Computer Science, Information Systems, Physics, Mathematics). 5-10 years experience Hands-on experience with: Software Defined Networking (SDN) technologies. WAN and overlay architectures in tactical or afloat military environments. Network management tools and techniques. Familiarity with DDIL constraints and tactical WAN best practices. Strong analytical skills with the ability to independently troubleshoot complex network issues. High level of adaptability and self-motivation in dynamic mission contexts. Professionalism in interactions with government and military leadership. Excellent verbal and written communication skills, including the ability to translate technical information across stakeholder levels.
Preferred Qualifications
Understanding of DoD, DoN , ASN, OPNAV, NAVWAR, PEO C4I, and Program Office structures. Experience supporting R&D, S&T efforts, and system transitions into Programs of Record ( PoRs ). Systems engineering experience within Department of Defense acquisition programs. Systems engineering experience within Department of Defense acquisition programs.
Why Join XSITE?
Best-in-Class Benefits & Work-Life Balance
100% employer-paid health, dental, and vision coverage. 401K with a 6% match Industry-leading PTO package —because work-life balance matters. Generous continuing education reimbursement to help you stay ahead.
Stability & Long-Term Growth
We hold multiple prime contracts and have a mentor-protégé joint venture with a large defense company , ensuring long-term contract stability while scaling our corporate infrastructure.
Career Growth Opportunities
XSITE LLC is a Service-Disabled Veteran-Owned Small Business that has grown nearly 300% in the past year . With that kind of trajectory, there are tons of opportunities for upward mobility, leadership, and cutting-edge technical work .
Apply now to contribute your expertise to a high-priority national defense initiative—and help shape the future of military network modernization. Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
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IT Networking Systems Specialist
role at
XSITE LLC 3 weeks ago Be among the first 25 applicants Join to apply for the
IT Networking Systems Specialist
role at
XSITE LLC This range is provided by XSITE LLC. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range
$110,000.00/yr - $160,000.00/yr Position Title: IT Networking Systems Specialist (Mid-Level)
Location: Onsite – San Diego, CA
Security Clearance: Active TS/SCI required
Employment Type: Full-time
Start Date: Immediate hire preferred
About XSITE LLC
XSITE LLC is a mission-driven, veteran-friendly, and rapidly growing defense contractor committed to delivering innovative technology solutions across AI/ML, software development, systems engineering, and modeling & simulation. With a focus on empowering national defense, our team of dedicated professionals thrives in high-impact environments, solving complex challenges alongside military, government, and industry partners.
Position Overview
XSITE LLC is seeking a IT Networking Systems Specialist to provide subject matter expertise to a key government client in San Diego, CA. The ideal candidate will bring technical depth in networking technologies, especially Software Defined Networking, and possess the professionalism to engage with high-level stakeholders across the defense ecosystem. This role will directly support efforts to modernize and optimize wide area networks in tactically constrained environments.
Core Responsibilities
Provide technical support for the design, development, and implementation of modern WAN architectures in tactical environments. Assist in the development and evaluation of network roadmaps to align with emerging mission needs and technology trends. Apply knowledge of Software Defined Networking (SDN), overlay networks, and tactical afloat WANs to assess feasibility and performance tradeoffs. Interface with stakeholders including Program Office personnel, Senior Executives, and Flag Officers to deliver recommendations and status updates. Work onsite with client teams, ensuring clear communication and responsive support for evolving requirements. Evaluate commercial and military satellite transport link integration within WAN designs. Navigate disconnected, intermittent, and limited bandwidth (DDIL) environments and advise on best practices for reliable network performance.
Required Qualifications
Active TS/SCI Clearance (No exceptions). Bachelor's degree in a relevant field (e.g., Engineering, Computer Science, Information Systems, Physics, Mathematics). 5-10 years experience Hands-on experience with: Software Defined Networking (SDN) technologies. WAN and overlay architectures in tactical or afloat military environments. Network management tools and techniques. Familiarity with DDIL constraints and tactical WAN best practices. Strong analytical skills with the ability to independently troubleshoot complex network issues. High level of adaptability and self-motivation in dynamic mission contexts. Professionalism in interactions with government and military leadership. Excellent verbal and written communication skills, including the ability to translate technical information across stakeholder levels.
Preferred Qualifications
Understanding of DoD, DoN , ASN, OPNAV, NAVWAR, PEO C4I, and Program Office structures. Experience supporting R&D, S&T efforts, and system transitions into Programs of Record ( PoRs ). Systems engineering experience within Department of Defense acquisition programs. Systems engineering experience within Department of Defense acquisition programs.
Why Join XSITE?
Best-in-Class Benefits & Work-Life Balance
100% employer-paid health, dental, and vision coverage. 401K with a 6% match Industry-leading PTO package —because work-life balance matters. Generous continuing education reimbursement to help you stay ahead.
Stability & Long-Term Growth
We hold multiple prime contracts and have a mentor-protégé joint venture with a large defense company , ensuring long-term contract stability while scaling our corporate infrastructure.
Career Growth Opportunities
XSITE LLC is a Service-Disabled Veteran-Owned Small Business that has grown nearly 300% in the past year . With that kind of trajectory, there are tons of opportunities for upward mobility, leadership, and cutting-edge technical work .
Apply now to contribute your expertise to a high-priority national defense initiative—and help shape the future of military network modernization. Seniority level
Seniority level Mid-Senior level Employment type
Employment type Full-time Job function
Job function Information Technology Industries Defense & Space Referrals increase your chances of interviewing at XSITE LLC by 2x Get notified about new Information Technology Specialist jobs in
San Diego, CA . Chula Vista, CA $20.00-$30.00 6 months ago On-Call IT Technician - PC, Mac & Desktop Support San Diego-Carlsbad, CA
On-Call IT Technician - PC, Mac & Desktop Support San Diego-Carlsbad, CA
On-Call IT Technician - PC, Mac & Desktop Support San Diego-Carlsbad, CA
On-Call IT Technician - PC, Mac & Desktop Support San Diego-Carlsbad, CA
Del Mar, CA $85,000.00-$105,000.00 2 weeks ago Electronic Systems Support Administrator
We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.
#J-18808-Ljbffr