junior network security administrator Jobs

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Sr. Network Security AnalystJob Title - Sr. Network Security Analyst

Landstar System IncCompany Name - Landstar System Inc

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Jacksonville, Florida, USA

Full-time

Location: Hybrid, Jacksonville Schedule: Monday - Friday, 8 AM - 5 PM What work will you perform? As a Senior Network Security Analyst at Landstar, you will play a crucial role in safeguarding our company's digital infrastructure. You will be responsible for investigating and analyzing security event data from multiple systems to identify potential cybersecurity threats. Additionally, you will assist in the development and revision of IT security compliance policies and procedures. Key Responsib

ALIS Network Administrator Tech Lead - level 4Job Title - ALIS Network Administrator Tech Lead - level 4

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Fort Worth, Texas, USA

Full-time

Job Description What You Will Be Doing This is a new and exciting opportunity to join the Lockheed Martin Fort Worth ALIS team as the Network Tech Lead. This role will lead all Network operations, training, development, and system growth related to SDD, DOMMS, FF, and ALOU located at the Lockheed Martin, USAF Plant 4 facility in Fort Worth, TX. This role will still integrate as an ALIS System Administrator depending on workload and availability as needed. This position will serve as the overal

Jr. System AdministratorJob Title - Jr. System Administrator

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-05-05 Country: United States of America Location: AZ848: RMS AP Bldg 848 1151 East Hermans Road Building 848, Tucson, AZ, 85756 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: Secret - Current Jr. System Administrator Tucson, AZ, 100% on site, must have an active secret clearance! Our Digital Technology (DT) orga

SITEC - Network Administrator - MacDill AFBJob Title - SITEC - Network Administrator - MacDill AFB

PeratonCompany Name - Peraton

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Florida, USA

Full-time

Responsibilities Peraton requires Network LAN/WAN Administrators to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - 3. Positions are located at the SOCOM Headquarters at MacDill, AFB FL, and at the TSOC and Component locations in the United States and abroad. The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (TO) is to provide USSOCOM, its Component C

Mainframe System Administrator ApprenticeJob Title - Mainframe System Administrator Apprentice

IBMCompany Name - IBM

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Coppell, Texas, USA

Full-time

Introduction System Administrators are the gatekeepers to the many systems that run our company and our clients. As a System Admin with IBM, you will have the opportunity to provide high-value IT services and leverage our leading-edge technology portfolio in our global network. Your work has a direct impact on the day-to-day productivity of our business by ensuring integrity of, and access to, our most important resource: data. Your role and responsibilities Are you interested in pursuing a sys

Ivanti Network Security EngineerJob Title - Ivanti Network Security Engineer

Spruce Technology Inc.Company Name - Spruce Technology Inc.

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New York, New York, USA

Full-time, Contract

We are seeking a Senior Network Security Engineer consultant to assist with configuration, evaluating existing config and migration of configuration including authentication services, user realms and profiles, from old appliance to new appliance. The project also includes the implementation of multiple domain authentication and validation of the configurations against a new domain authentication structure. Senior/Expert (7) years Cybersecurity Experience in Ivanti SSL VPN solution a must.Core Re

Endpoint & Network Security - Senior Infrastructure Production Support Analyst, VP (C13)Job Title - Endpoint & Network Security - Senior Infrastructure Production Support Analyst, VP (C13)

CitiCompany Name - Citi

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Remote or Jacksonville, Florida, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

SITEC - Network Administrator (JNY) - Coronado, CAJob Title - SITEC - Network Administrator (JNY) - Coronado, CA

PeratonCompany Name - Peraton

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Coronado, California, USA

Full-time

Responsibilities Peraton requires Network LAN/WAN Administrators to support the Special Operation Command Information Technology Enterprise Contract (SITEC) - 3. Positions are located at the SOCOM Headquarters at MacDill, AFB FL, and at the TSOC and Component locations in the United States and abroad. Position is located at NAB Coronado, CA. The purpose of the Special Operations Forces Information Technology Enterprise Contract (SITEC) 3 Enterprise Operations and Maintenance (EOM) Task Order (T

Network AdministratorJob Title - Network Administrator

Torch Technologies Inc.Company Name - Torch Technologies Inc.

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Maryland, USA

Full-time

Thank you for your interest in Torch Technologies. We're an award-winning, 100% employee-owned company based in Huntsville, Alabama. Recognized as a top 100 defense company, we're dedicated to supporting our nation's military. Our guiding principle, "Lighting the Pathway of Freedom," reflects our commitment to excellence, cooperation, integrity, and reliability. As a Certified Evergreen ESOP, our dedication is to continuously develop and maintain our company's success for the next century, secur

Network AdministratorJob Title - Network Administrator

SeaGlass ITCompany Name - SeaGlass IT

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Bedford, Massachusetts, USA

Full-time

Must have skills: 3+ years experience in a network administration or engineering roleMust be Security+ certified. CCNA certification a plusHands-on experience in design/configuration/installation of Cisco/Juniper routers and switches Working knowledge of DHCP, NMS SolarWinds Orion NPM/NCM, Cisco ISE, Wireshark etc.Strong working knowledge and excellent troubleshooting skills of Layer 3 and Layer 2 protocols in a VoIP environmentWorking knowledge of IP address Management/DHCP/Syslog/DNSKnowledg

Network Engineer Principal (Cloud Security & Migration) GBE.026Job Title - Network Engineer Principal (Cloud Security & Migration) GBE.026

Torch Technologies Inc.Company Name - Torch Technologies Inc.

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Montgomery, Alabama, USA

Full-time

Sr. Network AdministratorJob Title - Sr. Network Administrator

Luna Data Solutions, Inc.Company Name - Luna Data Solutions, Inc.

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San Marcos, Texas, USA

Contract

We are looking for a Senior Network Administrator in San Marcos, TX. You will be working onsite supporting a wide variety of network technologies, from layer-2 switches to virtualized MPLS routed network environments. We operate a heterogenous network with equipment from multiple manufacturers such as Cisco, Juniper, HP, and Ruckus Wireless. We are a small team and focus on open networking standards and solutions. We strive to maintain a highly reliable and available network infrastructure. Dut

Senior Network Security Engineer Job Title - Senior Network Security Engineer

SimVentions, Inc - Glassdoor 4.6Company Name - SimVentions, Inc - Glassdoor 4.6

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Virginia Beach, Virginia, USA

Full-time

Overview: SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced network security professional to join our team! As a Network Security Engineer IV, you will perform all aspects of network security including the design, implementation, configuration, and control enforcement of security controls on hardware and software components of network devices. You will collaborate with Cybersecurity professionals on overall cyber readiness defense and system accre

Mult Function Info Systems, Security Administrator (Ebbing ANG)Job Title - Mult Function Info Systems, Security Administrator (Ebbing ANG)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Fort Smith, Arkansas, USA

Full-time

Job Description Join the Lockheed Martin Aeronautics Field Sustainment Team. Our customers include both the U.S. Military and international governments and organizations. Our global reach and technical depth offer an endless amount of opportunities for up-and-coming Autonomic Logistics Information Systems (ALIS) or Mission Planning Environment (MPE) professionals seeking a place to make their mark - or for seasoned Autonomic Logistics Information Systems (ALIS) or Mission Planning Environment (

Senior Network Security Engineer - Network Reliability Engineering Security OperationsJob Title - Senior Network Security Engineer - Network Reliability Engineering Security Operations

Marriott InternationalCompany Name - Marriott International

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Bethesda, Maryland, USA

Full-time

Job Description JOB SUMMARY The Senior Network Security Engineer, Network Reliability Engineering (NRE) Security Operations (SecOps) is the subject matter expert in designing and implementing the Network security strategy and platforms for the next-gen operations for all Marriott International (MI) networks including the Property Networks, Datacenter/Cloud Networks, and Corporate Networks. This role will work closely and collaboratively with a matrix team of expert network architects and engin

Network Engineer, TS/SCI with a CI Polygraph Security Clearance Required - RJob Title - Network Engineer, TS/SCI with a CI Polygraph Security Clearance Required - R

Next Step SystemsCompany Name - Next Step Systems

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Chantilly, Virginia, USA

Full-time

Network Engineer, TS/SCI with a CI Polygraph Security Clearance Required, Chantilly, VA We are seeking a skilled Network Engineer to join the team in Chantilly, VA. The qualified Network Engineer must have an active TS/SCI with a CI Polygraph security clearance. This position is 100% Onsite and not open for Remote. Network Engineer Responsibilities: - Install, configure, and support an organization s Local Area Network (LAN), Wide Area Network (WAN), Number Resource Organization (NRO) Internet

Network Security Engineer SME - Secret ClearanceJob Title - Network Security Engineer SME - Secret Clearance

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Colorado Springs, Colorado, USA

Full-time

Job Description What We're Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface developme

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Annapolis, Maryland, USA

Full-time

Network Administrator LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Network Administrator to join our team and ensure the reliability, security, and efficiency of our organization's network infrastructure. In this role, you will be responsible for maintaining and optimizing network performance, troubleshooting connectivity issues, and implementing solutions to enhanc

Systems Administrator, Top Secret Security Clearance Required - GJob Title - Systems Administrator, Top Secret Security Clearance Required - G

Next Step SystemsCompany Name - Next Step Systems

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Columbus, Ohio, USA

Full-time

Systems Administrator, Top Secret Security Clearance Required, Columbus, OH We are currently looking for a Systems Administrator for a great opportunity in Columbus, OH. This position is 100% onsite. Qualified candidates must have an active Top Secret security clearance. Systems Administrator Responsibilities: - Provide technical guidance for directing and monitoring information systems operations. Designs, builds, and implements network systems. - Direct compilation of records and reports conce

Internship, Systems Engineer, Infrastructure Security (Fall 2025)Job Title - Internship, Systems Engineer, Infrastructure Security (Fall 2025)

Tesla MotorsCompany Name - Tesla Motors

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Remote or Fremont, California, USA

Full-time

Consider before submitting an application: This position is expected to start around September 2025 and continue through the Fall term (approximately December 2025) or into Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should a