Senior Network Security Administrator Jobs

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Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Reston, Virginia, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, se

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Engineer / Systems Administrator (SA) 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 highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliab

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

San Antonio, Texas, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION San Antonio, TX 78208 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability,

Network Engineer / Systems Administrator (SA)

Cymertek Corporation

Aurora, Colorado, USA

Full-time

Network Engineer / Systems Administrator (SA) LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems Administrator (SA)** to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for designing, implementing, and managing network systems, as well as ensuring the reliability, secur

Security Engineer - Senior Lead ***Top-Secret Clearance***

H & R Computer Consulting Services

Washington, District of Columbia, USA

Full-time

Job Title: Security Engineer - Senior - LeadLocation: Washington, DCCertification Required: Certified Information Systems Security Professional ( CISSP ) or Information Systems Security Engineering Professional (ISSEP) and Microsoft Certified Cybersecurity Architect ExpertClearance Required: Active Top-Secret (TS)Salary: $150K-$175KApplication Deadline: Aug. 30, 2025To apply, please follow these steps: Visit .Select the position you are interested in.Review the job details, then click Apply Now

Sr Lead Cybersecurity Architect -Product Security

JPMorgan Chase & Co.

Plano, Texas, USA

Full-time

Job Description Play a vital role in shaping the future of an iconic company and make a direct impact in a dynamic environment designed for top achievers. As a Senior Lead Cybersecurity Architect at JPMorganChase within the Cybersecurity and Technology Controls (CTC) organization, you are an integral part of a team that works to develop high-quality cybersecurity solutions for various software applications and platform products. Drive significant business impact through your capabilities and c

Senior Lead Cloud Security Threat Modeler

Citi

Remote or Irving, Texas, USA

Full-time

Overview of the Organization: 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 valu

Senior Information Security / Cloud Engineer / AWS / Hybrid / Dallas, TX

Motion Recruitment Partners, LLC

Irving, Texas, USA

Full-time

A leading biotechnology company that focuses on precision medicine specifically in the field of cancer treatment is looking to grow their IT team. They are looking to bring on a Senior Information Security/Cloud Engineer on a full-time direct hire basis. This is a hybrid position, in office 3 days per week. As a Senior Information Security/Cloud Engineer, you will implement and enforce IT security related policies, standards, and procedures as it pertains to Cloud infrastructure and applications

Senior Linux Systems Administrator

Leidos

Annapolis, Maryland, 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

G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

General Dynamics

Remote

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Directory Services, System Administration, Technical Support Certifications: Security+ CE - CompTIA Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into an opportunity as a Directory Services Engineer / Senior Sys

Sr SAP Basis Administrator

Bashas

Chandler, Arizona, USA

Full-time

Job Description *PLEASE PROVIDE A RESUME What You Will Do As the Sr SAP Basis Administrator, you are responsible for providing technical subject matter expertise in designing, architecting, installing, and configuring SAP applications. The role's purpose is to manage the daily operation of our SAP landscape, including monitoring application health and system, and performing maintenance of SAP application technologies. The role is expected to be hands-on for all design work and in the implemen

Senior Network Architect (Government)

AT&T Inc.

Bellevue, Nebraska, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our cus

Senior Network Engineer

SOS International LLC (SOSi)

Hawaii, USA

Full-time

SOSi is currently seeking an experienced Sr. Network Engineer to join our team in Joint Base Pearl Harbor Hickam, Honolulu, Hawaii. The customer based out of Honolulu, Hawaii creates, manages, and supports IT solutions for our customer, its mission and its 5,000+ customers throughout the Pacific theater. Our team solves challenging technical problems that enable our customer to realize critical and time sensitive C2 strategies. Essential Job Duties As a Senior Network Engineer at SOS Internation

Sr. Security Analyst - Fort Lauderdale, FL - Onsite

Amzur Technologies, Inc.

Fort Lauderdale, Florida, USA

Contract, Third Party

Sr. Security AnalystLocation: Fort Lauderdale, FLDuration: 6+ Months Scope of Responsibilities: Develops and manages security for more than one IT functional area (data compliance, systems and network, security operations and incident response) across the enterprise. Assists in the development and implementation of security policies and procedures (e.g., user log-on and authentication rules, security breach escalation procedures, security auditing procedures and use of rewalls and encryption rou

Cybersecurity Engineer - Sr. Consultant Level - Enterprise Security Architecture

Visa Inc.

Austin, Texas, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

Senior Linux System Administrator

Leidos

Orlando, Florida, USA

Full-time

Are you an experienced Senior Linux System Administrator looking for your next challenge? Your search ends here! We have an exciting opportunity for you to support several Programs in the Orlando Area. Your expertise will guide the definition, implementation, and delivery of capability focused on Cyber Training systems and Synthetic Environment Generation. You'll have the chance to work with a broad range of systems, providing overall support for various critical systems. Join our team and make

SAP Security Administrator

West Advanced Technologies, Inc.

Sacramento, California, USA

Third Party, Contract

SAP Security Administrator Sacramento, CA 6+ months Hybrid Mandatory Qualifications: A minimum of 8 years as SAP Security Administrator with exposure in SAP ECC, BW, BPC, CRM, BOBJ and Solution Manager. Experience in at least two end to end SAP project implementation as SAP Security Administrator. Experience in at least one end to end SAP S/4HANA migration project implementation as SAP Security Administrator. Technical Requirements: Provide support to SAP Security applications by offering

System Administrator-Senior Level

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Senior Cloud Security Engineer (AZURE/AWS & Palo Alto) - Columbia, SC - 12 Months - onsite role - W2 ONLY

ERPA

Columbia, South Carolina, USA

Contract

Role: Network Engineer (Senior Cloud Security Engineer) Location: Columbia, SC Duration: 12 Months W2 Role ( No Corp-corp /1099) Must have skills 5+ years of experience with FIREWALLS IN AWS AND AZURE. 5+ years of experience with PALO ALTO FIREWALLS Daily Duties / Responsibilities: Design and deploy highly available, scalable, and secure cloud infrastructure and apps with a focus on AWS and Azure Cloud. Design and develop automation to build cloud security accelerators and IP. Experience with S