421 - 440 of 659 Jobs

Senior Principal Network Engineer (P4), ONSITE, Tucson AZ

RTX Corporation

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

System Engineer II

Apex Systems

Joint Base Pearl Harbor Hickam, Hawaii, USA

Full-time

Job#: 2081748 Job Description: Title: Systems Engineer II Location: Joint Base Pearl Harbor-Hickam, Hawaii Schedule: Monday through Friday 8am-5pm HST Clearance Required: Active Secret Certifications Required: CompTIA Security+ (IAT II) Job Type: Permanent direct-hire If you are interested, please email Professional Recruiter, Valentina Jimenez, with your resume - Scope: The Contractor shall support configuration management, troubleshooting and maintenance of the SIPRNET infrastructure. The S

Information Systems Security Analyst

Draper

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

IT Security Analyst 4

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Oracle is seeking a highly motivated and career-oriented Information System Security Officer (ISSO) with a TS/SCI w/poly clearance to join our team Government Security Team supporting government clients. The position will be located in the Reston, VA area. Responsibilities Must currently hold and have the ability to maintain a TS/SCI with Poly clearance. Job Responsibilities: Support the security authorization process, including documentation and compliance reviews and assessm

Senior Network Engineer

Leidos

Camp Springs, Maryland, USA

Full-time

Description Leidos has a unique and exciting opportunity to offer a Network Engineer, who would like to expand their knowledge and grow with the Leidos team on the (AFNCR ITS) Air Force National Capital Region IT Services Program. The Network Engineer is responsible for assessing systems, determining problems, providing solutions to issues that arise, designing systems, upgrading systems, maintaining systems and brainstorming possible improvements that can be made to a system in the future. Thi

System Security Engineer

Jacobs

Fort Meade, Maryland, USA

Full-time

Amentum is seeking a highly skilled System Security Engineer to support the design, implementation, and ongoing operations of enterprise security tools-including ACAS (NessTenable.sc), Trellix ePO (formerly McAfee ePolicy Orchestrator), and Microsoft Endpoint Configuration Manager (MECM/SCCM)-in a Department of Defense (DoD) environment. The successful candidate will play a critical role in enhancing cybersecurity posture, ensuring system compliance, and supporting vulnerability management and e

Sr. Network Support Engineer

Leidos

Sierra Vista, Arizona, USA

Full-time

Description Leidos is seeking a Sr. Network Support Engineer to join our AGUN team in Fort Huachuca, AZ. 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 will include leadership of operations support staff and directing operational support activit

Systems Administrator II

Apex Systems

Norco, California, USA

Full-time

Job#: 2082107 Job Description: Job Title: Systems Administrator Location: Norco, California (Full time on-site) Clearance Required: Active DoD Secret (TS/SCI preferred) Email Julissa Rowell at to apply! Overview: Our client is seeking a Systems Administrator to support a DoD client in Norco, California. This role will work under the guidance of the Senior Systems Administrator and collaborate with cybersecurity professionals, program analysts, and fellow system administrators in a dynamic,

Unified Communications Services Engineer - TS/SCI with Polygraph

General Dynamics

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Cisco Voice over IP, Unified Communications, Wide Area Network (WAN) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Candidates with proven depth creating solutions with Cisco Unifi

IT-LAA Adv. Infrastructure & Systems Specialist

General Dynamics

McLeansville, North Carolina, USA

Full-time

Basic Qualifications Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w

Lead, Software Engineering

L3Harris Technologies

Anaheim, California, 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 Network Engineer

Leidos

Fort Meade, Maryland, USA

Full-time

Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. POSITION SUMMARY: This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA) migration to the Department of Defense's Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that will support th

Datacenter SME

Apex Systems

Suffolk, Virginia, USA

Full-time

Job#: 2081731 Job Description: Datacenter SME Interested candidate should send an updated resume to Location: Suffolk, VA - This role is 100% onsite. Contract to hire opportunity Pay: $80-90/hr - weekly pay on W2 Key Responsibilities: Technical Expertise & Leadership:Design, implement, and optimize complex virtualization environments (VMware vSphere, Microsoft Hyper-V, etc.)Architect and support enterprise-grade SAN/NAS solutions (e.g., NetApp, Dell EMC, Pure Storage, etc.)Lead the migration

Proactive - Windows Administrator

Apex Systems

Dahlgren, Virginia, USA

Full-time

Job#: 2081500 Job Description: Overview SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Apex seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). Responsibilities The Systems Administrator will be responsible for: Answering questions about installation, operation, configuration, customization and usage of assi

Senior Information System Security Engineer (ISSE)

Jacobs

Warrenton, Virginia, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Senior Information System Security Engineer (ISSE) to join our team of passionate individuals in Warrenton, VA. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. The mission of the Lone Wolf program is to support, operate, and maintain the Distributed Co

Network Engineer

BOOZ, ALLEN & HAMILTON, INC.

McLean, Virginia, USA

Full-time

Network Engineer The Opportunity: We are seeking a dedicated mid-level Network Engineer to support the design, deployment, and maintenance of enterprise and tactical networks for the Department of Defense ( DoD ) . This role is an opportunity to apply your technical expertise in wireless, SD-WAN, and cybersecurity to build secure, resilient infrastructure that directly enhances the quality of life for military personnel and their families. You'll work on meaningful projects that support mission

Specialist, Cyber Infrastructure Systems Engineer Secret - Colorado Springs, CO

Harris Corporation

Colorado Springs, Colorado, 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

Unified Communications Services Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Cisco Voice over IP, Unified Communications, Wide Area Network (WAN) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Candidates with proven depth creating solutions with Cisco Unif

Unified Communications Services Engineer - TS/SCI with Polygraph

General Dynamics Information Technology

Chantilly, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: Cisco Voice over IP, Unified Communications, Wide Area Network (WAN) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Candidates with proven depth creating solutions with Cisco Unifi

Senior Network Engineer

Leidos

Fort Meade, Maryland, USA

Full-time

Description Leidos is seeking a Senior Network Engineer to join our Defense Enclave Services (DES) team at Ft. Meade, MD. POSITION SUMMARY: This is an exciting opportunity to use your technical experience, and leadership to successfully execute Defense Information Systems Agency (DISA) migration to the Department of Defense's Fourth Estate (DoD 4th Estate) agencies into a Common Use information technology (IT) infrastructure. The Leidos team will deliver Network Infrastructure services that wi