senior network security administrator Jobs

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Sr. Systems AdministratorJob Title - Sr. Systems Administrator

Apex SystemsCompany Name - Apex Systems

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Norfolk, Virginia, USA

Full-time

Job#: 2084350 Job Description: Sr. Systems Administrator Location: Norfolk, VA on-site Type: 3 month contract to hire Pay Range: $50-65/hr (experience dependent) Schedule: M-F day shift-40 hour weeks Apply Here: Please send your updated resume, relevant certifications, and availibility for a call to Emma at Requirements: Current Security+ certification is requiredAt least 12 years of experience in system administration or related field within DoD/Navy programsExtensive knowledge of system

Senior System Administrator / Windows / VMWare / Onsite / Dallas, TXJob Title - Senior System Administrator / Windows / VMWare / Onsite / Dallas, TX

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Dallas, Texas, USA

Full-time

A design firm in the DFW area is growing their team and looking to hire a Senior System Administrator ona full time direct hire basis. This role is onsite in their Dallas, TX office. For this opportunity the responsibilities will involve leading infrastructure projects, infrastructure management of their on prem VMWare vSphere infrastructure, including ESXi hosts, vCenter Server, vSAN, and associated virtualization components, managing Windows server infrastructure, and overseeing storage infras

Senior Microsoft 365 AdministratorJob Title - Senior Microsoft 365 Administrator

AspireIT SolutionsCompany Name - AspireIT Solutions

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Texas, USA

Contract

Senior Microsoft 365 Administrator Clearance Requirement: U.S. Citizen Location: Herndon, VA (Hybrid minimum 3 days/week onsite; Locals Only) Overview We are seeking a Senior Microsoft 365 Administrator to serve as the technical lead and subject matter expert for SAP NS2's Microsoft 365 environment. In this strategic role, you will drive modernization initiatives, oversee platform upgrades, and ensure secure, scalable, and reliable collaboration solutions across Exchange Online, SharePoint, Tea

Network Orchestration Engineer, SeniorJob Title - Network Orchestration Engineer, Senior

LeidosCompany Name - Leidos

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Remote

Full-time

Leidos is seeking a Sr. Network Management Engineer (Orchestration Engineer) to join our AGUN migration team. PROGRAM SUMMARY: The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army's global wide area network and security infrastructure. You will be supporting a large and complex network migration and operations for the US Army. This role is remote and will include leadership of operations support staff and directing operatio

Enterprise Senior Systems AdministratorJob Title - Enterprise Senior Systems Administrator

General DynamicsCompany Name - General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Critical Systems, Enterprise Servers, Operating Systems (OS) Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Th

Senior Microsoft 365 Administrator (Hybrid)Job Title - Senior Microsoft 365 Administrator (Hybrid)

XFORIA IncCompany Name - XFORIA Inc

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Herndon, Virginia, USA

Contract

Details: Role : Senior Microsoft 365 Administrator Location: Herndon, VA (Hybrid minimum 3 days/week onsite) Description: Senior Microsoft 365 Administrator The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture, implementation, and ongoing optimizations Microsoft 365 environment. This strategic role will support major modernization initiatives, lead platform upgrades, and collaborate cross-functionally to en

Senior Microsoft 365 AdministratorJob Title - Senior Microsoft 365 Administrator

Cardinal Integrated Technologies IncCompany Name - Cardinal Integrated Technologies Inc

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Herndon, Virginia, USA

Contract

Job Title: Senior Microsoft 365 Administrator Duration: 12+ Months Location: Herndon, VA (Hybrid minimum 3 days/week onsite) (Locals Only) The Senior Microsoft 365 Administrator will serve as the technical lead and subject matter expert responsible for overseeing the architecture, implementation, and ongoing optimization of the client s Microsoft 365 environment. This strategic role will support major modernization initiatives, lead platform upgrades, and collaborate cross-functionally to ensure

Comcast Cybersecurity: Senior Security Engineer - CryptographyJob Title - Comcast Cybersecurity: Senior Security Engineer - Cryptography

Comcast CorpCompany Name - Comcast Corp

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Philadelphia, Pennsylvania, USA

Full-time

Make your mark at Comcast -- a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide. Become part of our award-winning technology team that turns big ideas into cutting-edge products, platforms, and solutions that our customers love. We create space to innovate, and we recognize, reward, and invest in your ideas, while ensuring you can prou

Senior Systems AdministratorJob Title - Senior Systems Administrator

Marsh & McLennan Companies, Inc.Company Name - Marsh & McLennan Companies, Inc.

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White Plains, New York, USA

Full-time

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. The industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a Senior Systems Administrator at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee health & benefi

Senior Systems AdministratorJob Title - Senior Systems Administrator

Marsh & McLennan CompaniesCompany Name - Marsh & McLennan Companies

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Remote or White Plains, New York, USA

Full-time

Sr. Systems Administrator / Analyst (SharePoint, Windows System, MS365/Azure)Job Title - Sr. Systems Administrator / Analyst (SharePoint, Windows System, MS365/Azure)

Digerati Systems IncCompany Name - Digerati Systems Inc

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Austin, Texas, USA

Contract

One systems administrator / analyst is being solicited by TDI to perform work on server infrastructure projects to serve the business needs of the Texas Department of Insurance (TDI). The emphasis of work performed shall be Azure/Entra ID/M365, Windows Server and Unix server administration. The work will include, but is not limited to, OS and application builds, hardening (security vulnerabilities), configurations, scripting, documentation, and troubleshooting. Work will require familiarity with

Senior System Support AdministratorJob Title - Senior System Support Administrator

DP Professionals IncCompany Name - DP Professionals Inc

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Columbia, South Carolina, USA

Contract

DPP is seeking a Senior System Support Administrator for an opportunity in Columbia, SC.Work arrangement: Partial onsite: 3 days/week onsite and as needed. Fully onsite during initial training W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: Support day-to-day operations by responding to work action requests from customers w

Senior Microsoft 365 AdministratorJob Title - Senior Microsoft 365 Administrator

ResolveTech Solutions Inc.Company Name - ResolveTech Solutions Inc.

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Herndon, Virginia, USA

Contract

Bachelor s Degree in Computer Science, MIS, or related field (or equivalent professional experience). 5 7+ years of hands-on administration and engineering experience with Microsoft 365 in an enterprise setting. Proven experience leading M365 implementations, upgrades, or major configuration projects. In-depth knowledge of Exchange Online, SharePoint Online, Teams, OneDrive, Azure AD, and security & compliance features. Advanced experience with Power Platform (Power BI, Power Apps, Power Automat

Senior Security EngineerJob Title - Senior Security Engineer

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote

Full-time

Senior Security Engineer Salary: Open + Bonus + Stock Options Location: Remote *We are unable to provide sponsorship for this role* Qualifications Product security or endpoint-focused consulting, with hands-on testing of Windows-based agents or EDR/AV productsExperience building fuzzers or integrating existing fuzzing frameworks for native codeExperience and capability in building automated test harnesses from the ground upStrong Windows OS internals knowledge, especially user-mode hooking and W

Pre-Sales Information Security Solutions ArchitectJob Title - Pre-Sales Information Security Solutions Architect

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote or Chicago, Illinois, USA

Full-time

This role requires up to 40% travel We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Pre-Sales Information Security Solutions Architect. Candidate will bring our cyber resilience solution to customers by advising, educating, and redefining the next generation of cybersecurity and recovery. This includes conducting ransomware readiness assessments and aligning customer expectations with th

Pre-Sales Information Security Solutions ArchitectJob Title - Pre-Sales Information Security Solutions Architect

Request Technology, LLCCompany Name - Request Technology, LLC

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Remote or Denver, Colorado, USA

Full-time

Sr. Cloud Security EngineerJob Title - Sr. Cloud Security Engineer

First American Financial CorporationCompany Name - First American Financial Corporation

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Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse

Network Engineer - OTJob Title - Network Engineer - OT

GDHCompany Name - GDH

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Contract, Third Party

Job Description: Our client is seeking a highly skilled and experienced Network Engineer with a strong background in operational technology (OT) to support and maintain network infrastructure across multiple affiliates. This role involves significant responsibilities including lifecycle projects, new site installs, and compliance duties. The ideal candidate will have experience with next-generation firewalls and a solid understanding of Cisco routing and switching protocols. This full-time posi

Senior SAP Basis AdministratorJob Title - Senior SAP Basis Administrator

HD Supply Repair and RemodelCompany Name - HD Supply Repair and Remodel

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Atlanta, Georgia, USA

Full-time

Required Qualifications 4+ years of relative experience in SAP Basis Administration on large scale and fast paced environments 3+ years of subject matter expertise in SAP HANA Administration, Installation, and Operations Establishes and maintains application configuration and support process documentation. Basic OS knowledge of UNIX and/or Linux and Windows Production System troubleshooting - SAP & Databases (HANA 2.0 and S/4 HANA) Subject matter expertise in both maintaining and troubleshootin

Sr. IT Network and Desktop SpecialistJob Title - Sr. IT Network and Desktop Specialist

EclaroCompany Name - Eclaro

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Jersey City, New Jersey, USA

Full-time

Our Fixed Income- Broker Dealer client is seeking a Sr. IT Network and Desktop Specialist to join their small IT team. This role will work with the Head of IT to support all technology needs across the organization. While the primary focus is desktop support, the position will also assist with basic network, firewall, and VoIP systems. This is an excellent opportunity for someone looking to expand their skill set toward broader IT infrastructure responsibilities and leadership growth in the futu