Senior Network Security Administrator Jobs

261 - 280 of 6,662 Jobs

Network/System Administrator IIJob Title - Network/System Administrator II

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Colorado Springs, Colorado, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is searching for a Network/System Administrator II to join our team. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in

Network Security Engineer (WAF) - North Central (Remote in the U.S.)Job Title - Network Security Engineer (WAF) - North Central (Remote in the U.S.)

GuidePoint SecurityCompany Name - GuidePoint Security

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Remote

Full-time

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. We are looking for a Network Security Enginee

Senior Manager, NetworkJob Title - Senior Manager, Network

Gamestop, Inc.Company Name - Gamestop, Inc.

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Grapevine, Texas, USA

Full-time

At GameStop, we are committed to providing exceptional service and delivering the latest and greatest in gaming products to our customers. As a leading global retailer of video games, electronics, and gaming merchandise, we take pride in offering a wide range of products that cater to the needs and desires of gamers worldwide. Our mission is to create unforgettable experiences for our customers by constantly pushing the boundaries of what's possible. Whether you're a hardcore gamer or just start

Network Security AnalystJob Title - Network Security Analyst

Judge Group, Inc.Company Name - Judge Group, Inc.

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Dallas, Texas, USA

Contract

Location: Dallas, TX Salary: $100,000.00 USD Annually - $120,000.00 USD Annually Description: Cybersecurity Analyst - Network Security Focus Overview: Join a forward-thinking Technology Risk team that is redefining how cybersecurity integrates with business and technology. In this role, you'll focus on network security architecture and infrastructure risk, working closely with internal technology teams to ensure secure design and implementation of on-premises systems and services. This i

Senior Security Software Engineer, Network SecurityJob Title - Senior Security Software Engineer, Network Security

RobloxCompany Name - Roblox

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San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op

Firewall Administrator & InfoSec Engineer SrJob Title - Firewall Administrator & InfoSec Engineer Sr

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description The Corporate Information Security (CIS) organization at Lockheed Martin (LM) protects company assets and systems from cyber threats by developing and implementing a robust security posture, enforcing policies and standards, and providing security awareness training to employees. Within LM CIS, the Boundary Transformation and Secure Transport team is hiring a mid-career Firewall Administrator / InfoSec Engineer. What You Will Be Doing: In this role, you will provide security

Senior Information Security AnalystJob Title - Senior Information Security Analyst

DBI StaffingCompany Name - DBI Staffing

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New York, New York, USA

Full-time

The Senior Information Security Analyst will be responsible for monitoring the Firm security systems and performing penetration tests of the WLRK infrastructure. Key responsibilities entail daily monitoring activities, including SIEM and other security tools and identification and mitigation of suspicious events, conducting controlled penetration tests, identifying vulnerabilities, and delivering reports with recommendations for mitigation. The successful candidate will also support all other Se

IT Security Engineer - SeniorJob Title - IT Security Engineer - Senior

TalentBurstCompany Name - TalentBurst

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Framingham, Massachusetts, USA

Full-time

Title: IT Security Engineer Duration: 12+ Months Location: 100% remote HM Meeting Notes: Not cyber security but IT physical security side 8 plus years experience of IT physical security Potential to extend Fully remote (1 of 3 needs local to MA area) Will need to go into office as needed; not hybrid Job Summary: We have an immediate opening for a technical engineer to join our Loss Prevention IT team, with key focus on Genetec applications. Using knowledge of industry best practices skills y

Sr Security ArchitectJob Title - Sr Security Architect

Dia Software SolutionsCompany Name - Dia Software Solutions

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Chester, Virginia, USA

Contract, Third Party

Hi, Greetings from DIA SOFTWARE SOLUTIONS LLC! We reaching out about an exciting Direct client opportunity with one of our clients. Please review the requirements and let me know if you are interested in this position? Direct client Req:: Need Sr Security Architect VA, Hybrid PLEASE SEND THE RESUMES TO SKUMAR AT DIASOFTWARESOLUTIONS DOT COM ! Job Description: ABOUT THE ROLE The Platform Security Architect is a critical technical role responsible for ensuring the secure design and compliance of

Senior Associate, IT SecurityJob Title - Senior Associate, IT Security

Harris CorporationCompany Name - Harris Corporation

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Melbourne, Florida, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Senior Linux Systems Administrator - 10k Sign on BonusJob Title - Senior Linux Systems Administrator - 10k Sign on Bonus

LeidosCompany Name - Leidos

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Aurora, Colorado, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed

SOC (Security Operations Center) Senior Threat Analyst 1Job Title - SOC (Security Operations Center) Senior Threat Analyst 1

Smart Business IT Solutions IncCompany Name - Smart Business IT Solutions Inc

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New York, New York, USA

Full-time

SCOPE OF SERVICES TASKS: Perform many critical functions within the Threat Management discipline including staffing 24x7x365 coverage at the City s Security Operations Center (SOC) augmenting FTE shift schedules including days, nights, weekends, and holidays. Interface with OTI Cyber Command teams internally, with City agencies, vendors, and information-sharing partners. Monitor City networks and security alerts for intrusion, attempted compromise, and anomalous behavior; apply mitigation techni

Network Security EngineerJob Title - Network Security Engineer

SpaceXCompany Name - SpaceX

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Texas, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. NETWORK SECURITY ENGINEER SpaceX is looking for a Network Security Engineer with expertise of network security technologies (firewalls, VPNs, IDS/IPS, etc.). This employee will be a member of the Security Engineering

Senior Offensive Security Engineer (InfoSec)Job Title - Senior Offensive Security Engineer (InfoSec)

PaloAlto NetworksCompany Name - PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Security AdministratorJob Title - Security Administrator

Opusing LLCCompany Name - Opusing LLC

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Richardson, Texas, USA

Contract

Job Title - Security Administrator Job Location - Hybrid- Richardson, TX 75082 Job Duration - 3+ Months Contract Pre Screening Questions: 1. Please provide specific examples of security administration that you have implemented in the past. 2. What are examples of projects that you have improved or changed by using security administration skills. This role is primarily focused on security administration for ERP applications such as PeopleSoft FSCM and Peoplesoft HCM, and associated Finance, Suppl

Senior Linux Security EngineerJob Title - Senior Linux Security Engineer

SRISYS Inc.Company Name - SRISYS Inc.

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New York, New York, USA

Full-time

Title: Sr. Linux Security Engineer Location: New York, NY Length: 6 Month +(CTH) DESCRIPTION: Position Description Linux Endpoint Security solution engineer/architect required to work in the Enterprise Security Platforms (ESP) Engineering Team, providing the highest level of security consultancy and engineering support for Linux security agents. The role will focus on engineering Linux security agents and tooling utilized to manage the various solutions. The role is suited to an experienced Linu

Senior Information Security AnalystJob Title - Senior Information Security Analyst

PepsicoCompany Name - Pepsico

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Plano, Texas, USA

Full-time

Overview We are looking for an experienced and highly technical Senior Security Engineer with 6 to 7 years of expertise in Vulnerability Management, Security Automation, and Enterprise Security Operations. This role demands advanced coding skills (Python, PowerShell, Bash, or equivalent) to develop automation frameworks, integrate security tools, and optimize vulnerability remediation workflows. The ideal candidate will have a deep understanding of SAP security, Onapsis, and Tenable, along wit

Cloud Network Security Subject Matter ExpertJob Title - Cloud Network Security Subject Matter Expert

NexGen Data Systems, Inc.Company Name - NexGen Data Systems, Inc.

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Remote

Full-time

NexGen Data Systems is seeking a highly skilled and experienced Cloud Network Security Subject Matter Expert (SME) to support our Cyber Security Engineering & Design team. In this critical role, you will be responsible for designing, implementing, and maintaining secure cloud network solutions, evaluating emerging technologies, and providing technical leadership across a multi-vendor enterprise environment. You will be a key contributor to our efforts in securing both cloud and on-premise infras

Senior Network EngineerJob Title - Senior Network Engineer

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506799 Location: WASHINGTON, DC, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Network Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is looking for a Senior Network Engineer. Job Description: Install, configure, and maintain scalable network devices such as Cisco routers, switches, and firewalls. Design and i

Network/System Administrator IIIJob Title - Network/System Administrator III

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator to join our team. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the indu