3w
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Virtuzalization Systems Engineer
Chantilly, Virginia, United States
$128k-$214k/yr OnsiteFull Time
7+ YOE7+ years IT/systems engineering experience with VMware vSphere/ESXi, Horizon View VDI, UAG, HPE server hardware, Windows Server/Workstation administration, strong documentation and troubleshooting skills; active TS/SCI with Poly required.
VMware vCenter, VMware ESXi, VMware vSphere, Omnissa Horizon View Server, VMware Unified Access Gateway (UAG), VMware Aria Operations, HPE ProLiant DL360, HPE Synergy, HPE iLO, Microsoft Windows Server, Windows 11, Linux, vMotion
1mo
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Virtual Desktop Systems Engineer
Washington or Reston or Riverdale
$112k-$179k/yr OnsiteFull Time
8+ YOERequires active TS/SCI with ability to obtain a Poly and US citizenship; 8+ years relevant systems engineering experience (virtualization preferred); CISSP or Security+; expertise in virtualization, containerization, storage, networking, scripting, and infrastructure automation.
Docker, Kubernetes, Rancher, Terraform, Ansible, Dell PowerFlex, NFS, SMB, S3, FC, iSCSI, NVMe, PowerShell, Puppet, Chef, VBScript, C++, Unix Shell, Python, Perl, Ruby, JavaScript, Active Directory, DHCP, DNS, Group Policy, Windows Server 2016, Windows Server 2019, Windows Server 2022, RHEL, SLES, SQL Server 2008 R2, VMware, Nutanix, VCP, NCP, MS Azure, AWS, GCP
2mo
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Principal IT Systems Administrator (Program Services)
Sterling, Virginia, United States
OnsiteFull Time
8+ YOE8+ years in government IT environments; Windows and Linux; virtualization; AD, DHCP, DNS; ability to collaborate with customers and engineering teams.
Windows Server, Linux, Virtualization, Active Directory, DHCP, DNS, PowerShell, Python, Bash, Ansible, Splunk, Nessus, Rapid7, DISA STIGs, CIS Benchmarks, MFA, PKI, DLP, NIST 800-53
3mo
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Systems Administrator
Chantilly or Herndon or McLean
OnsiteFull Time
5+ YOETS/SCI with poly; 5+ years in systems administration; Windows/Linux servers; AD/DNS/DHCP/GP; virtualization; networking basics; scripting.
Windows, Linux, Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, TCP/IP, Firewalls, VPNs, PowerShell, Bash, Python, Monitoring tools, Log management
3mo
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Systems Administrator(Active TS/SCI Required)
Herndon / Chantilly, Virginia, United States
OnsiteFull Time
5+ YOEActive TS/SCI with poly; Bachelor's degree in CS/IT; 5+ years as a Sys Admin; Windows/Linux, virtualization, cloud, scripting; strong networking and security basics.
Windows Server, Linux, VMware, Hyper-V, AWS, Azure, GCP, PowerShell, Bash, Python, TCP/IP, DNS, DHCP, VPN, firewalls, Monitoring, Configuration Management
2mo
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Cyber Capabilities Developer
Chantilly, Virginia, United States
$130k-$160k/yr OnsiteFull Time
2+ YOEActive Top Secret clearance, proficiency with C/C++/.NET/Python, virtualization (VMware/Proxmox/KVM), cloud (AWS/Azure/GCP), network and vulnerability research experience.
C, C++, .NET, Python, VMware, Proxmox, KVM/qemu, AWS, Azure, GCP
2w
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DevOps Engineer 673
Herndon or St. Louis
OnsiteFull Time
3+ YOEActive security clearance with polygraph,3+ years DevOps experience,Python/MATLAB or similar scripting,Amazon Web Services (AWS) experience; experience with automation and virtualization preferred.
Python, MATLAB, Amazon Web Services (AWS), VMware, Bash, PowerShell, Terraform, CloudFormation, Ansible, Jenkins, Active Directory, DNS, DHCP
1mo
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Staff Cyber Network Engineer
Chantilly, Virginia, United States
$161k-$241k/yr OnsiteFull Time
12+ YOEActive TS clearance with SCI eligibility, US citizenship, 12+ yrs experience with degree; IAT-2; network engineering; RMF/ATO; Cisco; Linux/Windows; virtualization.
Cisco CLI, RMF, ATO, Linux, Windows, VMware, KVM, Docker, Kubernetes, JunOS, VISIO, STIG
3d
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Systems Administrator
Chantilly, Virginia, United States
OnsiteFull Time
Bachelor's degree or equivalent, experience administering Windows/Linux servers, patching, backups, monitoring, troubleshooting, and documentation; TS/SCI with FSP required; virtualization and scripting experience preferred.
Windows, Linux, VMware, Hyper-V, Active Directory, Group Policy, PowerShell, Bash, Python
1d
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Cyber Penetration Tester
Herndon, Virginia, United States
OnsiteFull Time
Active TS/SCI with Polygraph and demonstrated experience in penetration testing, network security analysis, security architecture, and adversarial hands-on testing across Windows, Linux, and virtual platforms.
Windows, Linux, hypervisors, network management tools
1w
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System Administrator, Senior
Winchester, Virginia, United States
$62k-$141k/yr OnsiteFull Time
3+ YOE3+ years system administration with on-premise and cloud (AWS/Azure/GCP), Windows/Linux, virtualization, scripting (PowerShell/Bash/Python), backup/disaster recovery, and Top Secret clearance.
AWS, Azure, Google Cloud, Windows, Linux, VMware, Hyper-V, PowerShell, Bash, Python, Docker, Kubernetes
1w
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Senior Infrastructure Security Engineer
Southlake or Ashburn or Cary or Branchburg
$101k-$194k/yr HybridFull Time
4+ YOE4+ years relevant experience or bachelor\u0002s degree, deep networking and network security knowledge, Linux experience, virtualization and cloud familiarity, leadership and cross-team collaboration skills.
Linux, VMware, OpenStack, Kubernetes, Splunk, SIEM
5d
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Penetration Tester
Herndon, Virginia, United States
OnsiteFull Time
Active polygraph required. Experienced in penetration testing, adversarial tactics, network and system exploitation across Linux, Windows, and virtual platforms; risk analysis and mitigation; communicating technical results.
Linux, Windows, hypervisors
5d
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Classified Systems Administrator and ISSO
Herndon, Virginia, United States
$104k-$218k/yr OnsiteFull Time
7+ YOEActive TS/SCI with CI Polygraph, CompTIA Security+, 7+ years systems engineering/administration experience, Windows Server and virtualization expertise, vulnerability remediation, AD and enterprise services administration.
Microsoft Windows Server, VMware, Hyper-V, Nutanix, Microsoft Exchange, Microsoft SQL Server, Skype for Business, Jira, Confluence, Nessus, Pure Storage, Dell PowerVault, Synology, RSA, CyberArk, Active Directory, DNS, DHCP, Group Policy, Nakivo, Commvault, McAfee, Trellix, Microsoft MECM/SCCM
2w
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DevOps Engineer (Top Secret with agreement to obtain CI Poly)
Herndon or King of Prussia
OnsiteFull Time
Active Top Secret/SCI clearance with CI poly eligibility; hands-on Linux/Bash, Kubernetes, Python or Java, cloud and virtualization, DevOps automation, PKI/SSL, JSON/XML, and documentation experience.
Linux, Bash, Kubernetes, Python, Java, VMware, AWS, Azure, Proxmox, Google Cloud Platform, Ansible, Jenkins, CloudFormation, PKI, SSL/TLS, JSON, XML, FTP, SFTP, TFTP, HTTP, HTTPS, QUIC, LDAP, Active Directory, JIRA, GitLab, SQL, Apache ActiveMQ
3mo
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(USA) Principal, Software Engineer, Information Security
Bentonville or Sunnyvale or Bellevue or Herndon
$110k-$264k/yr OnsiteFull Time
10+ YOEExpertise in enterprise Active Directory engineering, automation-first infrastructure, IaC, AD security and high-availability; PowerShell/Python/Go scripting; VMware/Hyper-V virtualization; strong communication and leadership.
Active Directory, LDAP, Kerberos, VMware, Hyper-V, PowerShell, Python, Go
1w
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Windows Systems Engineer
Harrisonburg, Virginia, United States
$75k-$78k/yr HybridFull Time
Experience deploying and managing Exchange/on‑prem and cloud email, Windows servers, Active Directory, M365, virtualization and security tools; strong customer support, documentation, and communication skills; background check required.
Exchange, Postfix, Microsoft 365, Active Directory, Dell, VMware, Crowdstrike, Pure Storage, Commvault, Powershell
2mo
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Systems Administrator III (Domain & Server)
Manassas, Virginia, United States
$110k-$165k/yr OnsiteFull Time
5+ YOE5 years in systems administration; hands-on in Windows and Linux; active Secret clearance with TS/SCI eligibility preferred; 8570/8140 IAT Level II; strong AD, DNS, DHCP, and virtualization experience.
Active Directory, DNS, DHCP, Group Policy, VMware, Hyper-V, NUTANIX, SAN, NAS, PowerShell, Ansible, Terraform, Git, Splunk, AWS, Azure, GCP
2w
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Satellite Ground Network Systems Engineer
Chantilly, Virginia, United States
$120k-$160k/yr OnsiteFull Time
5+ YOEBachelors+5 years (or Masters+3, PhD+0) in CS/IT or related; experience in network protocols, routers/switches/firewalls, virtualization (VMware), cloud networking, Ansible, Wireshark; strong analytical and communication skills.
VMware, Ansible, Wireshark, Cisco, Juniper, Palo Alto Networks
1mo
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DevOps Engineer Sr
Herndon, Virginia, United States
$105k-$209k/yr OnsiteFull Time
Top Secret/SCI with polygraph required. Experience with Linux/bash, Kubernetes, Python or Java, virtualization/cloud, COTS integration, Ansible/Jenkins/CloudFormation, PKI/SSL, JSON/XML, and strong documentation and communication skills.
Linux, bash, Kubernetes, Python, Java, VMware, AWS, Azure, Proxmox, Google Cloud Platform, Ansible, Jenkins, CloudFormation, PKI, SSL/TLS, JSON, XML, FTP, SFTP, TFTP, HTTP, HTTPS, QUIC, JIRA, GetLab, SQL, Apache ActiveMQ, LDAP, Active Directory