PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
Save
Mark Applied
Hide
Linux Admin/Test Engineer
Hanover, Maryland, United States
OnsiteFull Time
3+ YOETS/SCI with CI poly; Security+ (IAM II/IAT II); CompTIA Linux+; 3+ years Linux operations; 2+ years government contracts; Cisco configuration; Windows Active Directory; VMware; containers; bachelor's degree or equivalent.
Linux, VMware, Windows Active Directory, Docker, Cisco, CI/CD tooling
1w
Save
Mark Applied
Hide
Full-Stack Linux Cyber Application Developer, Lead
Herndon, Virginia, United States
$87k-$198k/yr OnsiteFull Time
7+ YOE7+ years software development experience, 5+ years Python, 3+ years JavaScript, Linux admin, Agile experience, TS/SCI with polygraph, Bachelor\u0002s degree or 8+ years experience, CI/CD and container familiarity preferred.
Python, JavaScript, Linux, Docker, Podman, Angular
1w
Save
Mark Applied
Hide
Senior Systems Admin Specialist
Herndon, Virginia, United States
$166k-$176k/yr OnsiteFull Time
6+ YOEBachelor's degree or Master's with experience, TS/SCI with Poly required, 6+ years relevant experience, expert server OS and virtualization skills, Linux (RHEL), Windows/AD/Exchange/SharePoint, networking (Cisco/Juniper), scripting and automation.
Red Hat Enterprise Linux (RHEL), Rhel 8, Rhel 9, Redhat, Windows, Active Directory, Microsoft Exchange, Microsoft SharePoint, Cisco, Juniper, AI/ML, Artificial Intelligence, Cloud Native, Blockchain, AR/VR, Quantum Physics
1mo
Save
Mark Applied
Hide
Principal Cyber Systems Admin / Sr. Principal Cyber Systems Admin
Chantilly, Virginia, United States
$104k-$194k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance eligible for poly; 5+ years with Bachelor, 3+ with Master, 1+ with PhD; IAT-2; cloud design/deploy; Linux/Windows admin; automation (Ansible, Bash, PowerShell, Puppet, Python).
AWS, Linux, Windows, Ansible, PowerShell, Bash, Puppet, Python, Terraform
2mo
Save
Mark Applied
Hide
Senior Systems Admin | Site Reliability Engineer
Herndon, Virginia, United States
OnsiteFull Time
Top Secret clearance with SCI eligibility, CI polygraph; strong Linux/Windows admin, network, security, automation, IaC, and cloud skills; capable of working independently.
Linux, Windows Server, VMware, Ansible, Terraform, AWS, Docker, GitLab, Wireshark, tcpdump, iptables, Cisco ASA, Juniper SRX, Proxmox, vSphere
1mo
Save
Mark Applied
Hide
Principal Cyber Systems Admin / Sr. Principal Cyber Systems Admin
Chantilly, Virginia, United States
$104k-$194k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Top Secret/SCI clearance (SCI eligibility); IAT-2 (e.g., CompTIA Security+); experience designing/deploying cloud solutions, administering Linux/Windows at enterprise scale, automation (Ansible, Bash, PowerShell, Puppet, Python), and IT systems design and administration.
Ansible, Bash, PowerShell, Puppet, Python, AWS, Azure, Google Cloud, MySQL RDS, PostgreSQL, Podman, Docker, Kubernetes, Linux, Windows, IPv4, OSPF, VLAN, VPN
2mo
Save
Mark Applied
Hide
Senior Systems Engineer
Chantilly, Virginia, United States
$215k-$230k/yr OnsiteFull Time
5+ YOESenior Systems Engineer with Windows/Linux admin, scripting, multi-domain integration, network, and TS/SCI with poly.
Linux, Windows, Scripting, Active Directory, LAN/WAN, Routers, Switches, Firewalls, SAN, Clustering, Backup, Disaster Recovery
3mo
Save
Mark Applied
Hide
Cyber Security Systems Engineer
Reston, Virginia, United States
$68k-$115k/yr OnsiteFull Time
3+ YOEActive TS/SCI with Counter-Intelligence poly; Security+ CE or CISSP or equivalent; strong cyber security, systems admin, and networking; Linux/Windows admin in a government-regulated environment; experience with vulnerability management and virtualization.
Nessus, ACAS, SCC, STIG viewer, VMware, Linux, Windows, Cisco, Splunk
2mo
Save
Mark Applied
Hide
Systems Engineer
Chantilly or Herndon or McLean
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years in systems engineering; Linux admin; VMware; AWS; Cisco ISE; RMF/ICD 503; TS/SCI with Poly.
VMware, vSphere, AWS, OpenXT, SPLUNK, Cisco ISE, Certificate Authority, MariaDB, Linux, CentOS, Ubuntu, Visio
2mo
Save
Mark Applied
Hide
TAC20-75 Sr. System Administrator
Reston, Virginia, United States
OnsiteFull Time
8+ YOEVMware/Nutanix admin, Windows/Linux admin, PowerShell/Bash scripting, 8570 IAT Level 2, 8+ years of experience.
PowerShell, Bash, VMware, Nutanix, Active Directory, GPO, SCCM, PDQ, Ansible, STIGs
3mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Systems Engineer
Chantilly or Herndon
$175k-$220k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years systems engineering experience, Linux/Windows admin, VMware, AWS/Azure, scripting/automation, networking and security knowledge.
VMware, AWS, Azure, Linux, Windows, Cisco
1w
Save
Mark Applied
Hide
Junior Systems Integrator
Denver or Springfield or Sterling or St. Louis
$58k-$116k/yr OnsiteFull Time
0+ YOEBachelor's in CS/Engineering or equivalent,0–3 years technical experience,foundational Linux/networking/system admin knowledge,Python/Bash familiarity,TS/SCI clearance and polygraph.
Linux, Python, Bash
1mo
Save
Mark Applied
Hide
Systems Administrator / Site Reliability Engineer
Reston or Washington
OnsiteFull Time
8+ YOE8+ years cloud infrastructure management (AWS, Kubernetes); strong security framework knowledge; Red Hat/Linux admin; 8140 (Security+) and AWS certs; BS or higher or equivalent experience.
AWS, OpenShift, Kubernetes, Linux, Red Hat, PKI, Secrets Manager, DynamoDB, S3, RDS, ABAC
2mo
Save
Mark Applied
Hide
Senior Field Services Representative
Sterling, Virginia, United States
HybridFull Time
US government top-secret clearance required; troubleshoot hardware/network; experience maintaining hardware/SATCOM; Windows and Linux admin; CompTIA Security+; travel; US passport; team oriented.
SATCOM, Windows, Linux, Jira, Network Troubleshooting
1mo
Save
Mark Applied
Hide
Splunk and Cribl Engineer (Secret Clearance Required)
Herndon, Virginia, United States
HybridFull Time
4+ YOE4+ years hands-on Splunk engineering; Cribl preferred; SOC/SIEM experience; log onboarding, parsing, normalization, routing; cloud and on-prem logs; Windows/Linux admin; scripting (Python, Bash, PowerShell).
Splunk, Cribl, Cribl Stream, Python, Bash, PowerShell, Linux, Windows
2mo
Save
Mark Applied
Hide
Senior System Administrator - TS/SCI w/Polygraph
Reston, Virginia, United States
$143k-$184k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
9+ YOE10+ years of related experience; TS/SCI with CI Poly; US citizenship; VMware, AD/GPO; PowerShell/Bash; Windows and Linux admin; 8570 IAT Level 2; BS/BA in a relevant field.
VMware, Nutanix, SCCM, PDQ, PowerShell, Bash, Ansible, Linux, Windows Server, Active Directory, Group Policy, DNS, DHCP
1mo
Save
Mark Applied
Hide
DevSecOps Systems Administrator
Reston, Virginia, United States
$87k-$182k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance, Security CE+ required, bachelor’s in a technical field, 5+ years systems administration experience, Windows/Linux admin, Kubernetes and OpenShift experience, strong problem-solving and collaboration skills.
Red Hat Enterprise Linux (RHEL), OpenShift Container Platform, Kubernetes, JBoss, ActiveMQ, GitLab, Artifactory, Oracle Database, Momentum, Sunflower Asset Management, Windows, Linux, NIST 800-53
2mo
Save
Mark Applied
Hide
Cloud Platform Engineer
Sterling, Virginia, United States
HybridFull Time
6+ YOE6+ years IT/DevOps experience; Linux/Windows admin; AWS/Azure experience; automation/IAC; containerization; U.S. citizen.
Ansible, Terraform, Packer, GitLab CI/CD, AWS CLI, Docker, Kubernetes, CloudFormation, Powershell, Python
2mo
Save
Mark Applied
Hide
Network Analyst
Ashburn, Virginia, United States
$132k-$210k/yr OnsiteFull Time
2+ YOE2+ years experience with a Bachelor’s or 5+ years with a Bachelor’s or higher; network engineering, TCP/IP, routing, WAN/LAN; Arista/Juniper/Cisco; Python; Windows/Linux admin; lab/test environment management; travel up to 10%
Arista, Juniper, Cisco, F5 Big-IP, Python, Windows, Linux, VMware, HyperV, OSV, NAT, IPsec, SSL, SDN, EVPN, MPLS, BGP, OSPF, VXLAN, TLS, Automation, Networking Automation