senior network security administrator Jobs

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Senior Classified Systems Administrator

Draper

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Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 9 hours ago

Information Systems Security Officer, Senior

American Systems Corporation

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Colorado Springs, Colorado, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities As a Senior Information Systems Security Officer with AMERICAN SYSTEMS you will have the opportunity to do the following: Ensure the appropriate operational security posture is maintained for an information syst
Posted 60+ days ago | Updated 9 hours ago

Senior Linux Systems Administrator

Boeing Company

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Hazelwood, Missouri, USA

Full-time

Senior Linux Systems Administrator Company: The Boeing Company The Boeing Company's Specialized United States Infrastructure organization is currently seeking a Senior Linux Systems Administrator to join the team in Hazelwood, MO. This role is centered on delivering technical leadership and project support for strategic, enterprise-level hosting environments, primarily catering to initiatives within the Boeing Defense, Space & Security (BDS) business unit. An ideal candidate will recognize th
Posted 60+ days ago | Updated 9 hours ago

Senior System Administrator (Active TS/SCI Clearance Required) Ohio

World Wide Technology

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No location provided

Full-time

QUALIFICATIONS: 8+ years of related experience Experience managing RHEL Linux servers Highly versed in Linux administration and best practices Familiar with enterprise network architectures Experience with automated configuration management (Ansible, Puppet, Chef, etc.) Familiar in programming/scripting skills for automation (Bash, Ruby, Python, Perl, etc.) General understanding of Linux internals (system calls, file systems, processes, etc.) General understanding of TCP/IP and related protocols
Posted 27 days ago | Updated 6 hours ago

Sr Cloud Security Architect

Lenovo

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Morrisville, North Carolina, USA

Full-time

General Information Req # WD00071558 Career area: Cloud Computing Country/Region: United States of America State: North Carolina City: Morrisville Date: Thursday, July 17, 2025 Working time: Full-time Additional Locations: * United States of America - North Carolina - Morrisville Why Work at Lenovo We are Lenovo. We do what we say. We own what we do. We WOW our customers. Lenovo is a US$57 billion revenue global technology powerhouse, ranked #248 in the Fortune Global 500, and servin
Posted 18 days ago | Updated 9 hours ago

Senior Cloud Security Engineer- Onsite, W2 only

Serenity Info Tech, Inc.

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Columbia, South Carolina, USA

Contract

URGENT Requirement Network Engineer / Senior Cloud Security Engineer | Columbia, SC | On-site | USC/EAD Only Hello, We are currently seeking a Senior Cloud Security Engineer for a project with the State of South Carolina in Columbia, SC. This is an on-site opportunity with a hybrid schedule (3 days remote, 2 days in-office). Please find the details below: Role: Network Engineer / Senior Cloud Security Engineer Location: Columbia, SC (Hybrid 3 days remote / 2 days on-site) Contract Duration: 12 m
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Posted 2 hours ago

Sr. Network Development Engineer

INSPYR Solutions

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Los Angeles, California, USA

Contract

Title: Senior Network Development Engineer (NDE) Location: Onsite in Northridge, CA Pay Scale: $100 - $110/hr Duration: Long term, ongoing contract (yearly extensions and FTE conversion possible) Work Requirements: , Holders or Authorized to Work in the US Network Development Engineer (NDE): Routing & Switching (OSPF, BGP, EIGRP, Static) TCP/IP Networking fundamentals VLANs, STP, EtherChannel Wireless Networking Firewall administration and security protocols (ACLs, VPNs, IPSec) Load balancing
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Posted 6 days ago | Updated moments ago

Senior Linux Systems Administrator

Leidos

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Columbia, 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
Posted 60+ days ago | Updated 9 hours ago

SAP NS2 Sr. Security Automation Engineer

SAP Americas, Inc.

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Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i
Posted 11 days ago | Updated 9 hours ago

Senior Security Compliance & Authorization Specialist

Swanktek

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Remote

Full-time

12-15+ years of progressive experience in information security, with a strong emphasis on US Government security compliance and authorization processes. Demonstrated expertise in successfully leading and managing ATO, ATOC, and FedRAMP initiatives from initiation to completion. Extensive hands-on experience with STIG implementation, auditing, and remediation across various operating systems, applications, and network devices. In-depth understanding of the Defense Health Agency (DHA) environment,
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Posted 2 days ago

Senior Information Systems Security Officer - ISSO (Active Secret Clearance)

Akima, LLC

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Orlando, Florida, USA

Full-time

ASE is looking for an Information Security Systems Officer (ISSO), Senior to work in support of Naval Air Warfare Center Training Systems Division (NAWCTSD) in Orlando, Florida. To join our team of outstanding professionals, apply today! Responsibilities Plan, implement, upgrade, or monitor security measures for the protection of computer networks and information.Assess system vulnerabilities for security risks and propose and implement risk mitigation strategies.May ensure appropriate securit
Posted 7 days ago | Updated 9 hours ago

Senior Principal Security Engineer

Oracle Corporation

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Nashville, Tennessee, USA

Full-time

Job Description The Oracle Cloud Infrastructure (OCI) team can provide you the opportunity to build and operate a suite of massive scale, integrated cloud services in a broadly distributed, multi-tenant cloud environment. OCI is committed to providing the best in cloud products that meet the needs of our customers who are tackling some of the world's biggest challenges. We offer unique opportunities for smart, hands-on security engineers with the expertise and passion to solve difficult proble
Posted 60+ days ago | Updated 9 hours ago

Senior Systems Administrator

Leidos

•

Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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 immediate v
Posted 60+ days ago | Updated 9 hours ago

Senior Software Engineering Technical Leader, AI - Security Platform

Splunk Inc.

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Remote or San Francisco, California, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 14 days ago | Updated 9 hours ago

Senior Cloud Security Advisor specializing in Microsoft Sentinel - Canada

Info Dinamica Inc

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Montreal, Quebec, Canada

Contract, Third Party

Role: Senior Cloud Security Advisor specializing in Microsoft Sentinel Location: Montreal, QC Canada (Hybrid - Twice a week onsite is must) Job Type: Contract Description: As a Senior Cloud Security Advisor specializing in Microsoft Sentinel, the incumbent will be the cornerstone of the design, implementation, optimization, and maintenance of advanced security solutions based on Microsoft Sentinel for our clients. You will act as a technical expert and strategic advisor, ensuring the protection
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Posted 1 day ago | Updated 11 hours ago

Network Administrator

Decisionpoint Corporation

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Page, Arizona, USA

Full-time

Overview DecisionPoint Corporation is seeking a Network Administrator to join our team to provide administration services including network assessment, network design, procurement, and deployment for the Department of Interior Bureau of Reclamation. This position is on-site/in-person position at Glen Canyon Power Plant, located in Page, AZ Duties & Responsibilities Responsible for managing and administrating the ICS network routers, switches, firewalls, and other networking hardware Responsible
Posted 60+ days ago | Updated 6 hours ago

Senior Information Security Analyst

General Dynamics Information Technology

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Fairfax, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Data Security, Information Assurance, Information Security, System Security Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Information Security Analyst Sr Advisor Transform technology into opportunity as an Information
Posted 1 day ago | Updated 13 hours ago

Senior Application Security Engineer

Genesis10

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Charlotte, North Carolina, USA

Full-time

G enesis10 is currently seeking a Senior Application Security Engineer with our client in the financial Industry located in Charlotte, NC. This is a 12+ month contract position. Responsibilities: Consult as an expert to develop or influence initiatives and resources for highly complex business and technical needs across Engineering Develop long-term strategic solutions by evaluating complex challenges across various application security domains Provide thought leadership to senior client perso
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Posted 60+ days ago | Updated 9 hours ago

Senior I/S Security Risk Analyst

DP Professionals Inc

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Columbia, South Carolina, USA

Contract

DPP is seeking a Sr. I/S Security Risk Analyst for an opportunity in Columbia, SC. Candidates must be eligible to earn a low-level US security clearance (public trust). Work arrangement: Partial onsite: Onsite Tuesday, Wednesday, Thursday and as needed for important meetings, etc. Highly recommended that the successful candidate is onsite during training as much as possible. W2 position; 12 months Must be eligible to earn a low-level US security clearance, which requires a thorough background se
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Posted 15 days ago | Updated moments ago

Senior Information Security Analyst

General Dynamics Information Technology

•

Fairfax, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Information Security Job Qualifications: Skills: Data Security, Information Assurance, Information Security, System Security Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Information Security Analyst Sr Advisor Transform technology into opportunity as an Information
Posted 1 day ago | Updated 17 hours ago