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
1mo
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Linux Systems Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Deep Linux kernel and embedded Linux expertise, experience with kernel patching, cross-compilation, debugging utilities, C++, Python, Bash, Git, and embedded platforms (Yocto, Jetson). Permanent U.S. residency and background checks required.
C++, Python, Bash, Yocto Project, Gentoo, Arch Linux, Ubuntu, Debian, gdb, strace, dmesg, journalctl, perf, Valgrind, Git, VS Code, Vim, nano, NVIDIA Jetson, JetPack SDKs, Board Support Packages (BSPs), CMake, Make, Ninja, GitLab CI, GitHub Actions, Jenkins, Docker, systemd-nspawn, iptables, nftables, I2C, SPI, UART, GPIO, Device Tree Source (DTS)
1mo
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Systems Engineer - Linux TS/ SCI (TS/SCI Required)
King of Prussia, Pennsylvania, United States
$77k-$135k/yr OnsiteFull Time
1+ YOEActive TS/SCI clearance, US citizenship, Bachelor’s degree (or equivalent) with 1+ years experience (or Master’s with no experience). Experience with Linux administration, systems integration, configuration management, and scripting (Ansible, Bash).
Linux RedHat, Red Hat OpenShift, Ansible, Bash, Ansible Tower, AWX
1mo
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Systems Engineer
Philadelphia, Pennsylvania, United States
$80k-$85k/yr OnsiteFull Time
2+ YOEBachelor’s in Electrical Engineering; 2+ years Navy ship systems experience; PLC experience (Rockwell/AB); DoD Secret clearance; Windows/Microsoft Office proficiency; travel ~35%; U.S. citizenship.
Rockwell/Allen-Bradley PLC, Windows 10, Microsoft Office, Linux
2mo
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Systems Integration Engineer
Baltimore, Maryland, United States
$40-$55/hr HybridFull Time
3+ YOEBachelor’s in engineering or related field; 3–8 years in systems integration; maritime/autonomy/defense experience preferred.
Linux, Docker, Kubernetes, RTI DDS, APIs, Middleware
1mo
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Senior Systems Engineer
Annapolis Junction, Maryland, United States
$230k-$262k/yr OnsiteFull Time
20+ YOEActive TS/SCI with polygraph; 20+ years SE experience; BS in a related field; Linux CLI; scripting (Bash/Python); Linux admin in large environments; Delinea product experience; IAM and secrets; IaC (Ansible/SaltStack); containerization knowledge.
Linux, Bash, Python, Ansible, SaltStack, Delinea, Docker, Podman, LDAP, Active Directory, FreeIPA, Git
3w
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Cross Domain Systems Engineer (CDS)
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years experience; Secret clearance required. Experience engineering/integrating Cross Domain Solutions, familiarity with DoD RMF and related policies, hands-on CDS technology experience, Linux systems engineering.
Radiant Mercury, High Speed Guard, TACDS, ISSE Guard, OWL XD, Linux, DoD Risk Management Framework (RMF), ICD 503, NIST 800-53, DoDI 8540.01, AR 25-2-1
2w
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Systems and Database Engineer | Database Services | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
1+ YOEExperience with database and systems engineering, SQL and Python proficiency, Kubernetes and Linux fundamentals, and 1+ years in database/systems engineering or related roles supporting production environments.
MariaDB, MongoDB, InfluxDB, ClickHouse, SQL, Python, Kubernetes, Neo4j, Oracle, ProxySQL, Terraform, Prometheus, Grafana, Linux
1mo
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Mission Systems Engineer
Washington or Baltimore or Frederick or Annapolis Junction
$145k-$165k/yr HybridFull Time
5+ YOE5+ years in customer-facing technical roles; strong troubleshooting of Java applications, Linux/Bash, SQL, web servers (Jetty/Apache/IIS), PKI/certificates, release/support processes; DoD 8140/DCWF qualification (CompTIA Security+ covers); active DoD Secret required; US citizenship.
Java, JavaScript, Linux, Bash, SQL, Jetty, Apache, IIS, Azure, PKI
1w
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Systems Engineer (Sr. Member Engineering Staff) (40909)
Camden, New Jersey, United States
$115k-$212k/yr OnsiteFull Time
10+ YOEBachelor's in engineering required, active DoD SECRET clearance required, 10+ years systems engineering experience with information assurance/Type-1 cryptographic systems, MBSE and test/integration experience, strong security architecture and communication skills.
Model-Based Systems Engineering (MBSE), Linux, TLS, PKI, EKMS, KMI
3w
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Cross Domain Systems Engineer (CDS)
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr HybridFull Time
3+ YOEBachelors in CS/EE/Cyber/IS with 3+ years experience; Secret clearance; experience with Cross Domain Solutions, DoD RMF/NIST 800-53, Linux, and CDS technologies; strong networking and cybersecurity skills.
Radiant Mercury, High Speed Guard, TACDS, ISSE Guard, OWL XD, Linux, DoD Risk Management Framework (RMF), NIST 800-53, ICD 503, DoDI 8540.01, AR 25-2-1
2d
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Sr. Systems Engineer - Load Balancing
Philadelphia, Pennsylvania, United States
HybridFull Time
FreedomPay: A commerce platform provider delivering secure, high-volume payment processing and application delivery solutions.
8+ YOEExpert F5 and ingress experience, strong Linux/container and cloud skills, networking and PKI knowledge, scripting/automation experience, 8+ years infrastructure engineering and 5+ years application delivery experience.
F5 rSeries, BIG-IP, LTM, ASM, Advanced WAF, SSL/TLS, iRules, Kubernetes, OpenShift, Red Hat Enterprise Linux (RHEL), Docker, OCI-based containers, NGINX, NGINX Ingress Controller, OpenShift Routes, Kubernetes Ingress, PowerShell, Python, Ansible, Bash, Azure, AWS, Oracle Cloud, VMware
2w
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Systems Engineer III** Hybrid in Horsham, PA
Horsham or Philadelphia or New Jersey
$72k-$119k/yr HybridFull Time
6+ YOEUS citizen required with Public Trust clearance; 6+ years systems engineering experience; Windows and Linux administration; Active Directory, DNS, DHCP, virtualization, storage, backup, cloud (Azure/AWS); PowerShell and automation experience.
Windows Server 2016–2025, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender
2w
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Systems Engineer III** Hybrid in Horsham, PA
Horsham or Philadelphia or New Jersey
$72k-$119k/yr HybridFull Time
6+ YOEUS citizen eligible for Public Trust clearance, Bachelor's or equivalent,6+ years systems engineering experience, Windows/Linux administration, Azure/AWS, virtualization, storage/backups, automation with PowerShell/Ansible/Terraform, monitoring and security tooling.
Windows Server, Microsoft Azure, Hyper-V, Microsoft Entra ID, Microsoft Intune, Azure Monitor, Datadog, PowerShell, Bash, Python, Ansible, Terraform, Qualys, Tanium, Microsoft Defender
2w
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Senior Systems Engineer
Camden, New Jersey, United States
$135k-$155k/yr OnsiteFull Time
10+ YOE10+ years administering Linux-based HPC and enterprise systems; expertise with RHEL/Rocky, HPC schedulers, scripting (Bash/Python), infrastructure-as-code, security, and collaboration with engineering teams.
RHEL, Rocky Linux, Azure, Azure Gov Cloud, Entra, Active Directory, Altair PBS, Slurm, LSF, Bash, Python, Bicep, Terraform, Ansible, Puppet
3w
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Senior Systems Engineer
Natick or Providence or Tysons or West Hartford or Disney Springs or King of Prussia or Paramus or Raleigh or Boston
$110k-$140k/yr HybridFull Time
Experienced infrastructure engineer with networking, security, hardware deployment, server and OS administration (Windows, MacOS, Linux/Ubuntu, Android), virtualization, SD-WAN, MDM, EDR, ability to travel, and on-call availability.
EDR, MDM, Microsoft Windows, MacOS, Android, Ubuntu, Linux, SD-WAN, WiFi, virtualization
3w
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Principal / Senior Mission Engineering Systems Engineer
Baltimore, Maryland, United States
$109k-$163k/yr OnsiteFull Time
5+ YOEU.S. citizen with active Secret clearance, 5+ years systems/mission engineering experience (or higher per degree), experience with modeling & simulation (MATLAB, STK), combat simulation (AFSIM/Brawler), Python/C/C++, Linux/Windows scripting, DOE/statistics, and DoD test/acquisition experience.
MATLAB, STK, AFSIM, Brawler, Python, C/C++, Linux, Windows, JMP, R
2d
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Cloud Systems Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOE6+ years SRE/DevOps experience with deep AWS, Linux (Ubuntu), IaC (Terraform/Ansible), CI/CD, Python/Bash scripting, monitoring/observability, cloud security knowledge, and US work authorization.
Datadog, CloudWatch, Prometheus, Grafana, PagerDuty, Terraform, Ansible, Packer, Jenkins, GitHub Actions, GitLab CI, ArgoCD, Flux, Python, Bash, EKS, ECS, Fargate, Lambda, RDS, Aurora PostgreSQL, Opensearch, Redis, Elasticache, IAM, SCPs, OIDC, Snyk, Docker, Kubernetes, Hashicorp Vault, Ansible Vault, Freshservice
2w
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Systems and Database Engineer | Database Services | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
1+ YOE1+ year experience in database or systems engineering; strong SQL, Python, Kubernetes, and Linux fundamentals; experience with large-scale relational and non-relational databases and operating in production environments.
SQL, Python, Kubernetes, Linux, MariaDB, MongoDB, InfluxDB, ClickHouse, Neo4j, Oracle, ProxySQL, Terraform, Prometheus, Grafana, AI tools
1w
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DevOps Support Engineer - Linux
Bala Cynwyd, Pennsylvania, United States
OnsiteContract
Support Linux systems for production trading, troubleshoot outages, script automation (Bash/Python), communicate with business and engineering teams; BS in technical field preferred.
Bash, Python, Unix, Linux
1mo
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INFRASTRUCTURE & HPC SYSTEMS ENGINEER
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS/engineering/math or equivalent and 5+ years HPC administration/systems engineering experience. Expertise with Linux/Windows, HPC clusters, Slurm, scripting (Python, Bash), containers (Docker), storage (Ceph/GPFS/Lustre/BeeGFS), and automation (Terraform).
Windows, Linux, Red Hat, CentOS, Slurm, Docker, Python, Bash, Ceph, GPFS, Lustre, BeeGFS, MPI, OpenMP, Terraform
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