senior network security administrator Jobs

301 - 320 of 6,633 Jobs

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Georgia, USA

Full-time

Network Administrator LOCATION Fort Eisenhower, GA 30905 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Aurora, Colorado, USA

Full-time

Network Administrator LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you will play

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network Administrator LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you will play

Network AdministratorJob Title - Network Administrator

Cymertek CorporationCompany Name - Cymertek Corporation

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San Antonio, Texas, USA

Full-time

Network Administrator LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and proactive Network Administrator to manage and support our organization's network infrastructure. In this role, you will ensure the reliability, security, and performance of our systems by maintaining hardware, troubleshooting network issues, and optimizing connectivity. Collaborating with a dynamic team, you will

Senior Software Engineer, Security and ReliabilityJob Title - Senior Software Engineer, Security and Reliability

Cisco Systems, Inc.Company Name - Cisco Systems, Inc.

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San Francisco, California, USA

Full-time

Who We Are Cisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network - even the ones they don't own. Powered by AI and an unmatched set of cloud, internet and enterprise network telemetry data, ThousandEyes enables IT teams to proactively detect, diagnose, and remediate issues - before they impact end- user experiences. ThousandEyes is deeply integrated across the entire Cisco technology portfolio and

Sr Staff Enterprise Security Engineer (InfoSec)Job Title - Sr Staff Enterprise 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

Workday Security AdministratorJob Title - Workday Security Administrator

MRoadsCompany Name - MRoads

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Atlanta, Georgia, USA

Part-time

Role : Workday Security Administrator Location :Atlanta, GA Duration : Long Term Contract Position Description: A Workday Security Administrator is responsible for managing the HR and Financial applications by maintaining custom security groups, roles, domains, and policies within the Workday system. The key responsibilities include conducting audits to ensure security alignment, overseeing system activity, and collaborating with Business Analysts to implement security requirements for the Stat

Sr. System AdministratorJob Title - Sr. System Administrator

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES: Directly report to Tier II/ Program Management on all technical and personnel concernsUtilize senior Linux sys admin experience to maintain and

Workday Security AdministratorJob Title - Workday Security Administrator

Techgene Solutions LLCCompany Name - Techgene Solutions LLC

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Contract, Third Party

Workday Security Administrator (767055) 200 Piedmont Avenue SE, Suite 1604, West Tower, Atlanta, GA 30334-9010 | Either Web Cam or In Person | Hybrid | Locals only Skill Required / Desired Amount of Experience Managing and maintaining Working HR and Financial custom security groups, roles and domains. Required 4 Years Local candidates only as the selected candidate will be expected to be onsite 1-2 days a week. Position Description: A Workday Security Administrator is responsible for managing

Senior Principal Network Engineer (P4), ONSITE, Tucson AZJob Title - Senior Principal Network Engineer (P4), ONSITE, Tucson AZ

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-07-07 Country: United States of America Location: AZ888: RMS AP Bldg 928 1151 East Hermans Road Building 928, Tucson, AZ, 85706 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: DoD Clearance: Secret Senior Principal Network Engineer (P4) Raytheon Digital Technology Classified Infrastructure Services Classified Netw

Sr. Information Security AnalystJob Title - Sr. Information Security Analyst

Robert HalfCompany Name - Robert Half

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Springfield, Massachusetts, USA

Contract

Description We are looking for a highly skilled Sr. Information Security Analyst to join our team in Springfield, Massachusetts. In this long-term contract position, you will play a pivotal role in safeguarding sensitive information, managing security risks, and ensuring compliance with industry standards and regulations. This role requires a proactive approach to identifying vulnerabilities, responding to incidents, and implementing robust security measures that align with organizational goals.

Senior Computer Network EngineerJob Title - Senior Computer Network Engineer

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Job DescriptionDescription The Digital Modernization Sector at Leidos has an opening for a senior Network Engineer on the DISA Defense Red Switch Network team in support of an enterprise VoIP management system GSM-O II contract at Fort Meade, MD. The successful candidate will have a Network Engineering background responsible for the design, document, test, deployment and maintenance of the IP network solutions within an enterprise environment on a high-paced, fast-moving program. As a Network E

Sr. System AdministratorJob Title - Sr. System Administrator

LeidosCompany Name - Leidos

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Odenton, Maryland, USA

Full-time

Description The Defense group at Leidos has a career opening for a System Administration Site Lead on a DISA contract. This role is primarily on the customer site at Ft. Meade, MD. The site lead will manage a team of 4-5 personnel providing support for assigned systems supporting Joint Worldwide Intelligence Communications System (JWICS). PRIMARY RESPONSIBILITIES:Directly report to Tier II/ Program Management on all technical and personnel concerns Utilize senior Linux sys admin experience to m

Senior Windows Server Systems AdministratorJob Title - Senior Windows Server Systems Administrator

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Employees enjoy career enrichment opportunities available through mobility and development an

Senior Cloud Security EngineerJob Title - Senior Cloud Security Engineer

ConsultNet, LLCCompany Name - ConsultNet, LLC

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Chicago, Illinois, USA

Full-time

Title: Senior Cloud Security Engineer/Architect Location : Chicago, IL Target Start Date : 8/4/2025 Type: (C, CTH, D) Direct Hire Pay Rate / Salary (Ranges OK) : Max $180,000 plus 10-15% bonus and benefits Selling Point on Client - Our client is an industry-leading manufacturer of building products and innovative solutions highlighted by Sheetrock, Durock, and Securock Brands. Headquartered in Chicago, USG serves construction markets around the world through its Gypsum, Performance Materials a

Systems Administrator Senior (VMware) - TS/SCI requiredJob Title - Systems Administrator Senior (VMware) - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Backups, Disaster Recovery (DR), System Administration Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior (VMware) - TS/SCI required Transform technology

Senior Network EngineerJob Title - Senior Network Engineer

FortinetCompany Name - Fortinet

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Sunnyvale, California, USA

Full-time

Job Description Responsibilities: Deliver network implementation and remediation projects to meet demands Identify, diagnose and resolve network problem, analyze root cause Install, maintains and upgrade network hardware, software, and operating systems Reporting network operational status by gathering, prioritizing information Securing network system by establishing and enforcing policies, and defining and monitoring access Maximizing network performance by monitoring performance, troubleshoo

Senior Staff Software Engineer (Cloud NW & AI Security)Job Title - Senior Staff Software Engineer (Cloud NW & AI Security)

PaloAlto NetworksCompany Name - PaloAlto Networks

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Santa Clara, California, USA

Full-time

Systems Administrator - Senior - TS/SCI requiredJob Title - Systems Administrator - Senior - TS/SCI required

General DynamicsCompany Name - General Dynamics

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Shafter, California, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Communication, Information Technology (IT) Systems, System Infrastructure Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Systems Administrator Senior - TS/SCI required Transform technology

Network Security Threat Detection EngineerJob Title - Network Security Threat Detection Engineer

Meta Platforms, Inc. (f/k/a Facebook, Inc.) Company Name - Meta Platforms, Inc. (f/k/a Facebook, Inc.)

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Menlo Park, California, USA

Full-time

Meta Platforms, Inc. (f/k/a Facebook, Inc.) has the following positions in Menlo Park, CA Network Security Threat Detection Engineer: Develop optimized network monitoring systems. Design and deploy new network architectures (ref. code REQ-2502-147390: $222,772/year - $240,240/year). Individual pay is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base salary only, and do not include bonus or equity or sales incentives, if a