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
8h
Save
Mark Applied
Hide
Linux Systems Administrator (5469)
Patuxent River, Maryland, United States
$88k-$146k/yr OnsiteFull Time
8+ YOETop Secret clearance (interim TS from Secret acceptable),8+ years Linux experience,CompTIA Security+ (DOD 8570),OS certification,experience with Windows Server,VMware/vSphere,SAN,STIGs,ACAS,Atlassian,networking knowledge.
Linux, Windows Server, VMware/vSphere Enterprise, SAN, STIGs, ACAS, Atlassian
3d
Save
Mark Applied
Hide
System Administrator
Patuxent River, Maryland, United States
$90k-$150k/yr OnsiteFull Time
6+ YOETop Secret clearance, Bachelor's in technical discipline, 6+ years system administration, OS certificate (Windows or Linux), CompTIA Security+ or DoD 8570 equivalent, strong Linux experience.
VMWare/vSphere Enterprise, Windows Server, SAN, ACAS, STIGs, Linux
3w
Save
Mark Applied
Hide
Junior System Administrator
Lexington Park, Maryland, United States
$80k-$105k/yr OnsiteFull Time
1+ YOEActive Secret clearance and U.S. citizenship required, OS certification (Windows or Linux), CompTIA Security+, 1+ year system administration experience (VMware, Windows/Linux, RMF/STIG experience preferred), virtualization and networking skills.
VMware, ESXi, vSphere, Cisco, SAN, Microsoft Windows Server, Linux, RMF, STIG, Active Directory, Containers, Agile
1mo
Save
Mark Applied
Hide
Systems Administrator
Patuxent River, Maryland, United States
$75k-$100k/yr OnsiteFull Time
3+ YOE3–7 years experience with Linux and Windows system administration, hardware configuration, troubleshooting, RMF/STIG compliance, virtualization (VMware) desired, willingness to obtain Top Secret clearance and privileged access agreement.
Linux, Windows, VMware, Risk Management Framework (RMF), Security Technical Implementation Guides (STIGs), Zero Trust
2mo
Save
Mark Applied
Hide
Systems Administrator/Principal Systems Administrator
Patuxent River, Maryland, United States
$83k-$155k/yr OnsiteFull Time
2+ YOEActive US Top Secret clearance (ability to obtain SCI/SAP/CI poly), Bachelor's degree (or higher) with 2+ years (up to 6+ for principal), Security+ CE or similar, Windows/Linux/VMware administration experience, ability to lift 40 lbs and work nights/weekends; travel ~25%.
Microsoft Windows, Microsoft Windows Server, VMware, Linux, Red Hat, Windows AD, LDAP, SAN storage, Cisco, DISA STIGs, RMF, JAFAN, JSIG
1mo
Save
Mark Applied
Hide
Systems Administrator
Lexington Park or St. Inigoes or United States
$95k-$140k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Secret clearance, BS/BA and 5+ years experience, IAT Level II or higher (DoD 8570/8140) certification, Windows/Linux administration, LAN/WAN networking, DoD STIGs compliance, and ability to travel 25–40% CONUS/OCONUS.
DoD STIGs, Microsoft Visio, RHEL, SUNOS, IPSEC VPN, L2TP, Windows, Linux, Cisco
1mo
Save
Mark Applied
Hide
Systems Administrator
Wallops Island or Poker Flat Research Range
HybridFull Time
8+ YOEBachelor's in CS/IT/network/cybersecurity required; 8+ years system administration/network/cybersecurity experience for mission-critical operations; Windows Server/Linux/Active Directory/virtualization and networking skills; FISMA/RMF/STIGs experience; ability to obtain Secret clearance; US residency requirement; frequent deployments.
Windows Server, Linux, Active Directory, virtualization, NASCOM, RADAC, VTARS, FISMA, RMF, STIGs, Range Mission Network
2w
Save
Mark Applied
Hide
Systems Administrator #TS999
Patuxent River or Lexington Park
OnsiteFull Time
4+ YOEFinal DoD Top Secret clearance, HS diploma/GED, 4+ years system administrator experience, DoD 8140.03 451-Intermediate qualification, experience with VDI, cloud, Windows/Linux, STIG compliance, CDS, COMSEC.
VDI, Windows, Linux, STIG, Cross Domain Solutions (CDS), COMSEC, one-way data diode
1mo
Save
Mark Applied
Hide
Systems Administrator
Wallops Island, Virginia, United States
OnsiteFull Time
Bachelor's in CS/IT/math or related; experience administering Windows/Linux servers, virtualization, Active Directory, networking, and cybersecurity; ability to coordinate technical activities and mentor peers; strong written and verbal communication.
Windows, Linux, Active Directory
2w
Save
Mark Applied
Hide
Systems Administrator (MD, Great Mills)
Great Mills, Maryland, United States
OnsiteFull Time
Experienced Linux and Windows system administrator with Ansible automation, ACAS vulnerability scanning, DoD STIG compliance, backups/recovery, troubleshooting, documentation, and support for mission-critical training systems.
Linux, Windows, Ansible, STIGs, ACAS
1mo
Save
Mark Applied
Hide
System Administrator Mid - Senior
St. Inigoes, Maryland, United States
$110k-$140k/yr OnsiteFull Time
5+ YOEUS citizen with active/obtainable DoD Secret clearance, Security+ (DoD 8570) certification, 5+ years experience, Windows and Linux knowledge, ACAS/Nessus/STIG experience, BA/BS preferred.
Assured Compliance Assessment Solution (ACAS), Nessus, Security Technical Implementation Guide (STIGs), Windows, Linux, Group Policy, Windows registry
1w
Save
Mark Applied
Hide
Oracle Database Administrator
Patuxent River, Maryland, United States
$115k-$145k/yr HybridFull Time
3+ YOEOracle 19c database administration experience, UNIX familiarity, SQL Developer/Toad command-line experience, performance tuning, CompTIA Security+ and required education/experience, active/ability to obtain TS/SSBI clearance.
Oracle 19c, UNIX, RHEL, Solaris, SQL Developer, Toad, Amazon RDS, RMAN, Rubrik, datapump export, AWS
1w
Save
Mark Applied
Hide
OT System Administrator
Greenwood, Delaware, United States
$95k-$110k/yr OnsiteFull Time
10+ YOE10+ years experience with computer systems or electrical power/SCADA; associate degree in computer-related field (bachelor's preferred); working knowledge of Windows, LINUX, Microsoft Office; ability to manage SCADA, load management, and LAN/WAN.
Windows, LINUX, Microsoft Office, SCADA, LAN/WAN
3w
Save
Mark Applied
Hide
Windows System Administrator - Intermediate
Lexington Park, Maryland, United States
$80k-$125k/yr OnsiteFull Time, Contract
3+ YOETop Secret clearance (US citizen), Security+ or higher, 3+ years relevant experience, ACAS and STIGs familiarity, Microsoft Windows Server/Domain Controller and Linux support, system monitoring, backups, and scripting experience preferred.
Automated Cybersecurity Assessment System (ACAS), Security Technical Implementation Guides (STIGs), Microsoft Windows Server, Windows Domain Controller, Linux, E-Verify
1mo
Save
Mark Applied
Hide
Junior Systems Administrator (Systems Administration, Junior Analyst)
Lexington Park, Maryland, United States
$55k-$75k/yr OnsiteFull Time
0+ YOEAdminister Microsoft Windows and Red Hat Linux systems, VMware, RMF/STIG-based security, patching, troubleshooting, documentation; Security+ CE or CISSP required; Bachelor's degree or equivalent experience.
Microsoft Windows, Red Hat Linux, VMware, Microsoft Active Directory, Microsoft Group Policy, Microsoft System Center Configuration Manager (SCCM), Security Content Automation Protocol (SCAP), Security Technical Implementation Guide (STIG), Assured Compliance Assessment Solution (ACAS), Risk Management Framework (RMF)
2mo
Save
Mark Applied
Hide
Tactical Network and Computer Systems Administrator
Patuxent River, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI eligible; DCWF CSWF 451; Privileged Access cert; 7+ years network and computer systems administration; two of: weapons systems airborne/air-to-ground data comms, systems/sensors/network resource analysis; MS and Linux certs; DISA STIG/ACAS
DISA STIGs, ACAS/SCAP, Microsoft Windows, Linux
1w
Save
Mark Applied
Hide
Network and Computer Systems Administrator (JSE)-Journeyman
Patuxent River, Maryland, United States
$90k-$150k/yr OnsiteFull Time
3+ YOETop Secret clearance, 3+ years relevant experience, degree or equivalent experience, certifications (CCNP/CCSP/FITSP-O/GSEC/etc.), experience with Brocade/Ruckus, Ansible, ACAS, Linux, VMware, VPNs/VLANs, COMSEC/TACLANE.
Brocade, Ruckus, Ansible, ACAS, STIGs, Linux, RHEL, SUSE, Ubuntu, VMware, TACLANE, PowerShell, Python, Terraform, PDQ Deploy, VxRail, Windows Server, Active Directory, AWS GovCloud, Microsoft Azure
1mo
Save
Mark Applied
Hide
MD-Systems Administrator 3- TS/SCI w/ Polygraph
Annapolis Junction, Maryland, United States
$105k-$175k/yr OnsiteFull Time
15+ YOETS/SCI clearance with polygraph; 15 years SA experience; bachelor's degree in a technical field; 5 years if degree substituted.
Cisco routers and switches, UNIX, Windows, Networking
1mo
Save
Mark Applied
Hide
Ground System Engineer ADP - Level 3
Patuxent River, Maryland, United States
$89k-$158k/yr OnsiteFull Time
Top Secret clearance and Security+ required; Bachelor's in STEM preferred or equivalent experience; experience with UAS ground control stations, network/system administration (Cisco/Juniper/Linux/Windows/ESXi), aircraft/avionic integration, hands-on electrical/mechanical assembly, troubleshooting, and travel flexibility.
Unmanned Air System (UAS) Ground Control Stations (GCS), Cisco, Juniper, Linux, RHEL, Windows, Windows Server, ESXi
Explore Jobs