Senior Linux Windows Engineer Jobs

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Senior Offensive Security Engineer (Red Team)

KeyCorp

Brooklyn, Ohio, USA

Full-time

Location: 4910 Tiedeman Road, Brooklyn Ohio Position Summary Our Cyber Adversary and Exposure Mgmt. team rolls up into Key's broader Cyber Defense function within Corporate Information Security. Cyber Defense's mission is simple: We aim to Deter, Detect, Deny, and Disrupt adversaries through proactive threat centric defense. The Senior Offensive Security Engineer is a key member of the Cyber Defense Cyber Adversary and Exposure Mgmt. team, responsible for simulating advanced persistent threat

Sr. Data Engineer Remote

Irvine Technology Corporation (ITC)

Remote or Santa Ana, California, USA

Full-time

Join a growing and collaborative data team that s building the infrastructure to power next-generation products at scale. Our client is looking for a Senior Data Engineer to support the continued growth of their core data platform. You'll help advance a newly launched product that provides intelligent property insights to banks, contractors, insurance brokers, and other partners. This is a hands-on role where you'll work with a talented team of engineers and help shape the architecture, quality,

Sr. Systems Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Job DescriptionDescription Leidos is seeking a Sr. Systems Engineer to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTRA s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA s internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer

Senior Splunk Engineer

Raymond James Financial Inc

St. Petersburg, Florida, USA

Full-time

Job Description This position follows our hybrid workstyle policy: Expected to be in a Raymond James office location a minimum of 10-12 days a month. Description: The financial services industry is constantly under attack by sophisticated cyber adversaries that range from nation states to criminals. In response, the Raymond James Cyber Threat Center (CTC) is charged with ensuring all equities are secure against all tiers of adversaries. We are the central hub for Computer Network Operations a

Senior PKI Security Engineer

Motion Recruitment Partners, LLC

Atlanta, Georgia, USA

Full-time

Every year, nearly 200 million travelers trust our client to get them where they're going. Take your career to new heights by working for this longstanding leader in air travel that services more worldwide destinations than any other airline. We are looking for a Senior PKI Security Engineer to join our team for a long-term contract in Atlanta, GA (hybrid). Contract Duration: 12 Months Required Skills & Experience High performing and self-motivated, extensive professional experience in designing

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer 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

Senior System Engineer

SAIC

Fort Meade, Maryland, USA

Full-time

Job ID: 2506166 Location: FORT MEADE, MD, US Date Posted: 2025-06-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence

Systems Engineer, Senior

BOOZ, ALLEN & HAMILTON, INC.

Arlington, Virginia, USA

Full-time

Systems Engineer, Senior The Opportunity: Everyone is trying to "harness the cloud," but not everyone knows how. As a cloud computing infrastructure architect, you know how to take advantage of cloud capabilities. On our team of experienced professionals, you'll use cutting-edge enterprise cloud platforms to support your clients as they modernize their IT infrastructure and meet their most challenging missions. We're looking for someone like you to help keep the warfighter safe. You'll closely

Senior Information Systems Engineer - Onsite Tucson, AZ

RTX Corporation

Tucson, Arizona, USA

Full-time

Date Posted: 2025-06-11 Country: United States of America Location: AZ201: RMS AP Bldg 801 1151 East Hermans Road Building 801, Tucson, AZ, 85756 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and

Sr Staff IT Systems Engineer

PaloAlto Networks

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of

Senior Software Engineer - GPU and SOC

NVIDIA Corporation

Santa Clara, California, USA

Full-time

NVIDIA is searching for highly motivated, creative engineers to join the Platform Software team. You will work with a team of hardworking software engineers working on all aspects of SOC and system, and technology verticals. As someone who is hardworking and passionate about their craft, you will design key aspects of our SOC drivers, BSP, sophisticated CI/CD system, as well as collaborating with key partners and OEM customers. You should demonstrate the ability to excel in an environment with f

Senior Virtual Systems Engineer

City of New York

Remote or New York, New York, USA

Full-time

Company Description Job Description Permanent incumbent only. Only permanent Certified IT Administrator (LAN / WAN) will be considered. The New York City Department of Investigation (DOI) is one of the oldest law enforcement agencies in the country with a mission of combating municipal corruption. It serves the people of New York City by acting as an independent and nonpartisan watchdog for New York City government, City agencies, and City employees, vendors with City contracts, individuals

Senior Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in the Chantilly, VA. Responsibilities include but are not limited to: Provide IA security requirements to update system requirement documentsCoordinate IA matters with other directorates and external partners as necessaryPerform, or review, technical security assessments of computing environments to identify points of vulnerability, non-compliance with established Information Assurance (

Engineer Senior/Specialist/Principal- Comm Systems

General Dynamics

Groton, Connecticut, USA

Full-time

Responsibilities for this Position Engineer Senior/Specialist/Principal- Comm Systems US-CT-Groton Job ID: 2025-14379 Type: Full-Time # of Openings: 1 Category: Engineering EB Groton Shipyard Overview The D442 Wireless Systems Integration team is looking for a engineer with a strong understanding of Microsoft and Linux scripting environments and knowledge of network infrastructure to perform developmental-level tasks in support of ongoing and future deployments of secure wireless systems to

Network Infrastructure Engineer (Senior)

Leidos

Herndon, Virginia, USA

Full-time

Description Leidos is seeking a Sr. Network Management Engineer (Infrastructure 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 direc

Network Engineer (Senior)

GovCIO

Hampton, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Network Architect/Engineer Senior to design and implement upgrades to the existing network architecture in support of a Zero-Trust Architecture modernization project. This position will be located at Langley AFB, VA and will be an onsite position. Responsibilities Designs and develops network and system architectures, and defines key capabilities and performance requirements. Defines total systems design and technology maturity constraints in accordan

Senior Specialist, Cyber Infrastructure Systems Engineer Secret - Colorado Springs, CO 1

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

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

Harris Corporation

Melbourne, Florida, 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 Logistics Engineer

RTX Corporation

Huntsville, Alabama, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: AL200: 401 Jan Davis Drive Huntsville 401 Jan Davis Drive , Huntsville, AL, 35806 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 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

Senior Infrastructure Engineer

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

Senior Infrastructure Engineer In this role, you will be responsible for designing, supporting, and maintaining secure network architectures, devices, and communications systems for Industrial Control System (ICS) environments in non-nuclear power plants. Your efforts will support both edge computing and cloud-based infrastructures, contributing to the broader mission of expanding access to reliable renewable energy. The company is located in Herndon, VA and will be a hybrid model. What You Will