principal linux systems administrator Jobs in maryland

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Systems Engineer

BlueHalo

•

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, our Cyber experts operate at the mission's edge. Using advanced cyber techniques, our team of technologists and analysts employ capabilities spanning traditional computing environments to Internet of Things (IoT), including offensive and defensive cyber operations and analysis, signals intelligence (SIGINT) discovery, and data science. Our team is expanding to do the big things that have never been done before - the things the nation and the world are counting on us t
Posted 60+ days ago | Updated 2 hours ago

DevOps Application Developer (Hybrid)

Penn State

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Remote or State College, Pennsylvania, USA

Full-time

APPLICATION INSTRUCTIONS: CURRENT PENN STATE EMPLOYEE (faculty, staff, technical service, or student), please login to Workday to complete the internal application process. Please do not apply here, apply internally through Workday. CURRENT PENN STATE STUDENT (not employed previously at the university) and seeking employment with Penn State, please login to Workday to complete the student application process. Please do not apply here, apply internally through Workday. If you are NOT a current em
Posted 8 days ago | Updated 2 hours ago

(USA) Senior, Software Engineering

Walmart Inc.

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Remote or Dallas, Texas, USA

Full-time

Position Summary Are you a talented and experienced software engineer looking to make a significant impact? Join our Walmart/VIZIO team as a Senior Software Engineer and work on cutting-edge projects that drive our mission forward. This is a unique opportunity to leverage your skills in a collaborative environment and contribute to innovations that reach millions of users. What you'll do About the Team Our Walmart/VIZIO team operates at the intersection of technology and customer experience, s
Posted 15 hours ago | Updated 2 hours ago

Sr. Manager, IAM

INSPYR Solutions

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Remote or Addison, Texas, USA

Full-time

Job Title: Sr. Manager, IAM Location: 100% remote, work from home Compensation: Salary between $1400,000 to $180,000 + annual bonus Work Authorization: Work Requirements: , Holders or Authorized to Work in the U.S. Responsibilities Lead the Access Management team, providing direction on priority setting, resource allocation, continuous process improvement, technical guidance, and project planning. Develop and implement security policies, procedures, and programs. Manage budgets, resources, and
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Posted 13 days ago | Updated 9 hours ago

Enterprise Services Engineer (Azure)

Peraton

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Annapolis, Maryland, USA

Full-time

Responsibilities Peraton is seeking an Enterprise Services Engineer specializing in Microsoft Azure focusing on designing, implementing, and maintaining enterprise-level IT infrastructure and services, ensuring systems are secure, scalable, and performant, often involving data management, and collaborating with various teams to meet business needs. An ESE is a hands-on technical expert who serves enterprise environment's clients, providing both remote and on-site support to maintain and optimiz
Posted 40 days ago | Updated 31 days ago

ADC Engineer II, S3+Glacier Unique Regions

Amazon Development Center U.S., Inc.

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Columbia, Maryland, USA

Full-time

This is an exciting opportunity to use the latest cloud computing technologies to help U.S. Intelligence Community agencies implement innovative cloud computing solutions and solve technical problems.AWS Utility Computing (UC) provides product innovations - from foundational services such as Amazon's Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to consistently released new product innovations that continue to set AWS's services and features apart in the industry. As a memb
Posted 28 days ago | Updated 18 hours ago

ADC Engineer II, S3+Glacier Unique Regions

Amazon Development Center U.S., Inc.

•

Columbia, Maryland, USA

Full-time

This is an exciting opportunity to use the latest cloud computing technologies to help U.S. Intelligence Community agencies implement innovative cloud computing solutions and solve technical problems. AWS Utility Computing (UC) provides product innovations - from foundational services such as Amazon's Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to consistently released new product innovations that continue to set AWS's services and features apart in the industry. As a me
Posted 28 days ago | Updated moments ago

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

Leidos

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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
Posted 3 days ago | Updated 2 hours ago

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

Leidos

•

Maryland, USA

Full-time

Description 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% c
Posted 4 days ago | Updated 1 day ago

Splunk Engineer

SilverEdge

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College Park, Maryland, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Splunk Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our DoD cu
Posted 15 hours ago | Updated 2 hours ago

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

Leidos

•

Maryland, USA

Full-time

Description 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% c
Posted 8 days ago | Updated 17 hours ago

Information Security Engineer

Virginia Jobs

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Remote or Charlottesville, Virginia, USA

Full-time

Information Security Engineer Position Overview: We are seeking a highly skilled Information Security Engineer with deep expertise in Splunk and Splunk Enterprise Security to join our cybersecurity team. The ideal candidate will have extensive engineering experience across multiple security domains, including SIEM, SOAR, Cloud Security, system administration, vulnerability management, network security/firewalls, API integration, scripting, and automation. This position will play a critical rol
Posted 60+ days ago | Updated 2 hours ago

Senior Embedded Developer

Booz Allen Hamilton

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Maryland, USA

Full-time

Job Number: R0217262 Embedded Developer, Senior The Opportunity : Are you looking to put your problem-solving prowess to the test in a rapidly evolving systems security research and development environment? You know that embedded application developers, reverse engineers, and vulnerability analysts all play key role s in the capability development lifecycle. As an embedded developer, you'll have the opportunity to use skills in C / C++ and assembly language, scripting language, debugging, comp
Posted 41 days ago | Updated 3 hours ago

Senior Embedded Developer

Booz Allen Hamilton

•

Maryland, USA

Full-time

Job Number: R0217261 Embedded Developer, Senior The Opportunity : Are you looking to put your problem-solving prowess to the test in a rapidly evolving systems security research and development environment? You know that embedded application developers, reverse engineers, and vulnerability analysts all play key role s in the capability development lifecycle. As an embedded developer, you'll have the opportunity to use skills in C / C++ and assembly language, scripting language, debugging, comp
Posted 41 days ago | Updated 3 hours ago

Senior Cloud Vulnerability Management Engineer

SAIC

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Remote

Full-time

Job ID: 2505310 Location: REMOTE WORK, VA, US Date Posted: 2025-05-13 Category: Cyber Subcategory: Cybersecurity Spec Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description As a Senior Cloud Vulnerability Management Engineer with over 8 years of experience, you will play a critical role in the management, enhancement, and security of our cloud environments. Your deep
Posted 9 days ago | Updated moments ago

Endpoint & Network Security - Senior Infrastructure Production Support Analyst, VP (C13)

Citi

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Remote or Jacksonville, Florida, USA

Full-time

About Citi: 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 value that is systemic
Posted 9 days ago | Updated 2 hours ago

Lead Site Reliability Engineer - Remote

UnitedHealth Group

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Remote or Minnetonka, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 26 days ago | Updated 2 hours ago

Senior ADC Engineer, Region Services Operations (RSO)

Amazon Development Center U.S., Inc.

•

Spencerville, Maryland, USA

Full-time

Help shape the future of national security computing as a Senior Cloud Engineer at AWS. The AWS Cross Domain Operations team is seeking a cleared Senior Cloud Engineer to support essential cross domain services for U.S. Intelligence and Defense customers. Our team maintains and operates the critical AWS infrastructure that enables secure cloud capabilities across classified environments. Your expertise will directly impact national security by ensuring the reliable operation of systems that gove
Posted 29 days ago | Updated 23 hours ago

Senior ADC Engineer, Region Services Operations (RSO)

Amazon Development Center U.S., Inc.

•

Takoma Park, Maryland, USA

Full-time

Help shape the future of national security computing as a Senior Cloud Engineer at AWS. The AWS Cross Domain Operations team is seeking a cleared Senior Cloud Engineer to support essential cross domain services for U.S. Intelligence and Defense customers. Our team maintains and operates the critical AWS infrastructure that enables secure cloud capabilities across classified environments. Your expertise will directly impact national security by ensuring the reliable operation of systems that gove
Posted 29 days ago | Updated 4 hours ago

Senior ADC Engineer, Region Services Operations (RSO)

Amazon Development Center U.S., Inc.

•

Silver Spring, Maryland, USA

Full-time

Help shape the future of national security computing as a Senior Cloud Engineer at AWS. The AWS Cross Domain Operations team is seeking a cleared Senior Cloud Engineer to support essential cross domain services for U.S. Intelligence and Defense customers. Our team maintains and operates the critical AWS infrastructure that enables secure cloud capabilities across classified environments. Your expertise will directly impact national security by ensuring the reliable operation of systems that gove
Posted 29 days ago | Updated 23 hours ago