3,641 - 3,660 of 3,867 Jobs

Red Team Penetration Tester IV **

SimVentions, Inc - Glassdoor 4.6

Virginia Beach, Virginia, USA

Full-time

Overview: SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Red Team Penetration Tester IV, you will be responsible for leading and executing complex penetration testing events and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. ** Position is contingent upon awa

Red Team Penetration Tester III **

SimVentions, Inc - Glassdoor 4.6

Virginia Beach, Virginia, USA

Full-time

Overview: SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Red Team Penetration Tester , you will be responsible for conducting penetration testing and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. ** Position is contingent upon award of contract, anticipated i

Red Team Penetration Tester IV **

SimVentions, Inc - Glassdoor 4.6

Virginia Beach, Virginia, USA

Full-time

Overview: SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Red Team Penetration Tester IV, you will be responsible for leading and executing complex penetration testing events and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. ** Position is contingent upon awar

Red Team Penetration Tester III **

SimVentions, Inc - Glassdoor 4.6

Virginia Beach, Virginia, USA

Full-time

Overview: SimVentions, consistently voted one Virginia's Best Places to Work, is looking for an experienced professional to join our team! As a Red Team Penetration Tester , you will be responsible for conducting penetration testing and conducting offensive cybersecurity operations for the U.S. Government and DoD systems. You will work collaboratively with Blue Team and Cybersecurity professionals to enhance overall cyber posture. ** Position is contingent upon award of contract, anticipated in

Cloud Infrastructure Engineers-Azure-Evergreen

General Dynamics

District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Cloud Infrastructure, Extract Transform Load (ETL), Microsoft Azure, Microsoft Azure Databricks, Terraform (Software) Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Software Developer Expert Your Impact Own your oppor

Network Administrator

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

Software Infrastructure Engineer (Onsite)

RTX Corporation

Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-06 Country: United States of America Location: HVA34: Sterling, VA 22640 Davis Dr , Sterling, VA, 20164-7104 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 Software Infrastructure Engineer (Onsite) This position requires an active US security clearance. Most aspects of the job are done i

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

Senior Windows Server Systems Administrator

Leidos

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

Information Systems Admin (Level 3): Database Admin, Nellis AFB

Lockheed Martin Corporation

Nellis Air Force Base, Nevada, USA

Full-time

Job Description Nellis AFB Second-Shift Position Lockheed Martin Aeronautics. Be More Than You Can Imagine. At Lockheed Martin Aeronautics, we're taking innovation to the next level. From designing the most advanced air vehicle to designing aircraft that defies gravity, our engineers live on the cutting edge of technology. Never have the opportunities for a technical career been so limitless. Why Lockheed Martin: At Lockheed Martin Aeronautics we value your unique skills and expertise, and

Command Center Senior Engineer

Las Vegas Sands Corp

Dallas, Texas, USA

Full-time

Job Description: Position Overview The primary responsibility of the Command Center Senior Engineer is the implementation, monitoring, and maintenance of the organization's IT infrastructure (hardware, software, networking and data centers) within the Command Center. The Senior Engineer focuses on ensuring performance, availability, and security, troubleshooting complex issues, and optimizing infrastructure systems. The role requires a detail-oriented individual with strong analytical and obser

Experienced Software Engineer (Secure Network & Protocols )

Boeing Company

Titusville, Florida, USA

Full-time

Experienced Software Engineer (Secure Network & Protocols ) Company: The Boeing Company The Boeing Company is looking for an Experienced Software Engineer - Secure Network & Protocols to join the Space Launch System - Exploration Upper Stage (SLS EUS) Stage Controller team located in Titusville, FL. This position will focus on supporting the Boeing Defense, Space & Security (BDS) Software Engineering organization. This position is responsible for supporting the infrastructure, software, and s

Distinguished, Software Engineer

Walmart Inc.

Sunnyvale, California, USA

Full-time

Position Summary Walmart is the nation's largest retailer, and powering our stores, clubs, online sales, as well as our connected associates, is a hybrid cloud environment. Our scale presents unique challenges not seen anywhere else. Building a reliable, serviceable, and cost-effective network infrastructure is key to our success. As a Distinguished Engineer, you will play an important role in shaping the technical direction and running Walmart Global WAN and Backbone network. Global WAN team i

Secure Enterprise Engineer - Viasat Government

Viasat, Inc.

Linthicum Heights, Maryland, USA

Full-time

About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a Secure Enterprise Engineer you will be responsible for

Network Operations Engineer IV

Panasonic

Irvine, California, USA

Full-time

Overview Network Operations Engineer IV Responsibilities Our new global headquarters is conveniently located in Irvine, CA near John Wayne Airport in the Park Place development. For our onsite and hybrid employees you will be able to enjoy amenities such as access to many restaurants and shops, running trails, a fitness deck, outdoor seating, dry cleaning, car wash, free garage parking, car charging stations, shuttle service for train commuters, outdoor games like bocce, horseshoes, gaming tab

Network/System Administrator III

Modern Technology Solutions

Washington, District of Columbia, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI) is seeking a Network/System Administrator to join our team. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the indu

Senior Application & Infrastructure Support Engineer

Charles Schwab

Phoenix, Arizona, USA

Full-time

Your Opportunity At Schwab, you're empowered to make an impact on your career. Here, innovative thought meets creative problem solving, helping us "challenge the status quo" and transform the finance industry together. Security Production Engineering (SPE) is a pivotal component of our organizations' cyber security resilience, acting as a core contributor in enhancing the efficiency, effectiveness, scalability, and resilience of our cyber security applications and the infrastructure they run o

Senior Consulting Systems Engineer

World Wide Technology

No location provided

Full-time

4+ years of technical sales or consultation experience in a relevant industry. 5+ years of experience in cybersecurity, network security, or systems engineering supporting DoD/Navy environments. Active Secret clearance required. Hands-on expertise with security and networking vendors, including Cisco, Palo Alto Networks, Splunk, ELK, Linux, Juniper, and Arista. Strong understanding of Zero Trust principles, Threat Hunting, DCO, OCO, RMF, STIG compliance, and automation. Experience with network t

Systems Engineer Sr

University Of Utah

Salt Lake City, Utah, USA

Full-time

Announcement Details Open Date 07/22/2025 Requisition Number PRN42620B Job Title Systems Engineer Sr Working Title Systems Engineer Sr Job Grade G FLSA Code Computer Employee Patient Sensitive Job Code? No Standard Hours per Week 40 Full Time or Part Time? Full Time Shift Day Work Schedule Summary Monday-Friday; 8:30am - 5:00 pm VP Area U of U Health - Academics Department 02228 - Data Coordinating Center Location Campus City Salt Lake City, UT Type of Recruitment External Posti

Consulting Engineer - NYC

Apex Systems

New York, New York, USA

Full-time

Job#: 2054694 Job Description: Apex Systems, a World-Class Technology Solutions Provider, is seeking applicants for the below position on behalf of our client. Please apply if interested and qualified. Please note that only qualified candidates will be contacted. **Client cannot work corp to corp - Client cannot provide sponsorship. All applicants must be able to work directly on Apexs W2 without sponsorship needed now or in the future** Position: Consulting Engineer Location: New York City -