microsoft windows Jobs in district of columbia

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Principal Network Engineer*

Leidos

Bethesda, Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Network 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 and i

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

System Administrator (Sr) - Cleared (STE-A)

Kentro

Washington, District of Columbia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More

Systems Administrator

General Dynamics

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Storage Management, Unix, Windows Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterpr

IT Manager- 4 days onsite Midtown, NY

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

IT Manager This company provides on-demand access to specialized business expertise for investment and corporate professionals around the world. By connecting decision-makers in investment management, private equity, consulting, and corporate sectors with a global network of industry experts, they deliver valuable market insights, strategic guidance, and execution support across a broad range of industries and geographies. This company is looking for someone who wants to get into a leadership po

Systems Administrator

General Dynamics Information Technology

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Storage Management, Unix, Windows Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Sr Systems Administrator with GDIT. A career in enterpr

Cybersecurity Engineer

Leidos

Chantilly, Virginia, USA

Full-time

Description Cybersecurity Engineer Are you looking for an opportunity to make an impact? 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 sustainably. 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. If this sou

Senior System Engineer (Government)

AT and T

Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to

Associate Help Desk Technician - All shifts available - Active Top Secret required

General Dynamics Information Technology

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Customer Service, Information Technology (IT) Support, Problem Resolution Certifications: None Experience: 4 + years of related experience ship Required: Yes Job Description: *Shift options listed at the bottom. GDIT has an amazing opportunity for a Help D

Account Systems Administrator - TS/SCI w/Poly

General Dynamics Information Technology

Maryland, 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 Administration Job Qualifications: Skills: Communication, Data Entry, Group Problem Solving, Microsoft Office Certifications: None Experience: 3 + years of related experience ship Required: No Job Description: Account Systems Administrator Transform technology into opportun

Account Systems Administrator - TS/SCI w/Poly

General Dynamics Information Technology

Maryland, 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 Administration Job Qualifications: Skills: Communication, Data Entry, Group Problem Solving, Microsoft Office Certifications: None Experience: 3 + years of related experience ship Required: No Job Description: Account Systems Administrator Transform technology into opportun

Principal Azure Cloud Engineer

ManTech

Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and experienced Principal Azure Cloud Engineer to join our team in Chantilly, VA. In this role, you will support mission-critical operations by designing, implementing, and managing Azure cloud infrastructure. You will collaborate with cross-functional teams to enhance cloud environments using modern tools and best practices. Responsibilities include but are not limited to: Supporting Azure cloud services and infrastructure using Infrastructure as Code (IaC) tools suc

Principal Network Engineer

Leidos

McLean, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal Network 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 and i

RF Systems Engineer with polygraph

Leidos

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a System 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 and immediate vesting, Flex

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

Principal Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement

Principal Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement

Principal Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and customer-focused Principal Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implement

Senior Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

MANTECH seeks a motivated and customer-focused Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implementing

Senior Cyber Security Engineer

ManTech

Chantilly, Virginia, USA

Full-time

Mantech seeks a motivated and customer-focused Senior Cyber Security Engineer to join our team in Chantilly, VA. In this role, you will help design, implement, and sustain mission-driven cybersecurity solutions that enable secure enterprise operations. You will provide technical leadership and hands-on expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. Responsibilities include but are not limited to: Engineering, designing, implementing