ZipRecruiter

Log In

1

Urgently Hiring Desktop Linux Systems Engineer Optimisation Jobs in Virginia

Nightwing

Linux Systems Engineer

Sterling, VA · On-site

Wireshark * iproute2 * nftables * iptables Linux Kernel Tuning & Performance Optimization Tune ... * 5+ years of Linux Systems Engineering experience * 3+ years of advanced Linux networking ...

teKnoluxion

Linux Systems Engineer

Springfield, VA

Linux Systems Engineer Springfield, VA or St. Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to the ...

Nwis

Linux Systems Engineer

Sterling, VA

... performance optimization. * Troubleshoot complex operating system, networking, and application ... * 5+ years of Linux Systems Engineering experience * 3+ years of advanced Linux networking ...

teKnoluxion

Linux Systems Engineer

Springfield, VA · On-site

Overview Linux Systems Engineer Springfield, VA or St. Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to ...

teKnoluxion

Linux Systems Engineer

Springfield, VA

Overview Linux Systems Engineer Springfield, VA or St. Louis, MO Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly At Bcore, our strength comes from how we deliver impact to ...

GDIT

Linux Systems Engineer

Springfield, VA

The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and ... As part of the hiring process, we will ask you to complete an identity verification process that ...

GDIT

Linux Systems Engineer

Springfield, VA · On-site

The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and ... As part of the hiring process, we will ask you to complete an identity verification process that ...

Andworx, LLC

Linux Systems Engineer

Sterling, VA

Learn more about Andwyrde at Andworx is hiring for a mid-level Linux systems engineer with knowledge and background of the Linux operating systems, including scripting, administration, and systems ...

Andworx, LLC

Linux Systems Engineer

Sterling, VA · On-site

Learn more about Andwyrde at Andworx is hiring for a mid-level Linux systems engineer with knowledge and background of the Linux operating systems, including scripting, administration, and systems ...

next page

Showing results 1-20

All JobsUrgently Hiring Desktop Linux Systems Engineer Optimisation JobsUrgently Hiring Desktop Linux Systems Engineer Optimisation Jobs in Virginia

Urgently Hiring Desktop Linux Systems Engineer Optimisation information

What are the most commonly searched types of Desktop Linux Systems Engineer Optimisation jobs in Virginia? The most popular types of Desktop Linux Systems Engineer Optimisation jobs in Virginia are:
What cities in Virginia are hiring for Urgently Hiring Desktop Linux Systems Engineer Optimisation jobs? Cities in Virginia with the most Urgently Hiring Desktop Linux Systems Engineer Optimisation job openings:
Urgently Hiring Desktop Linux Systems Engineer Optimisation jobs near you

Linux Systems Engineer

Nightwing

Sterling, VA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 26 days ago

Job description

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in the intelligence community, defense, civil, and commercial markets.
Nightwing is seeking a highly skilled Linux Systems Engineer to design, deploy, optimize, automate, and support large-scale Linux infrastructure supporting secure networking and remote-access services. This role is ideal for an engineer with deep expertise in Linux networking, policy-based routing, kernel performance tuning, infrastructure automation, and modern VPN technologies including WireGuard, OpenVPN, and IPSec.
The successful candidate will collaborate closely with network engineering, systems administration, and platform engineering teams to deliver highly available, secure, and scalable infrastructure solutions in mission-critical environments.
Primary Responsibilities
Linux Infrastructure Engineering
  • Design, deploy, administer, and maintain enterprise Linux environments.
  • Develop standardized operating system configurations and hardened baseline builds.
  • Perform operating system upgrades, patch management, lifecycle maintenance, and performance optimization.
  • Troubleshoot complex operating system, networking, and application issues.
Advanced Network Engineering
Design and implement advanced routing architectures utilizing:
  • Policy-Based Routing (PBR)
  • Multiple routing tables
  • Route maps and traffic steering
  • Source-based and destination-based routing
  • Multi-homed network environments
Configure and troubleshoot:
  • OSPF and static routing
  • VLANs, LACP, and 802.1Q trunking
  • Network namespaces
  • VRFs
  • NAT and firewall policies
Analyze and troubleshoot network traffic using:
  • tcpdump
  • Wireshark
  • iproute2
  • nftables
  • iptables
Linux Kernel Tuning & Performance Optimization
Tune Linux kernel parameters for:
  • High-throughput networking
  • Low-latency applications
  • VPN gateway performance
  • Large-scale concurrent connections
Optimize:
  • TCP/IP stack performance
  • Network buffer sizing
  • IRQ balancing
  • CPU affinity
  • NUMA awareness
  • Memory management
Utilize performance analysis tools including:
  • perf
  • sar
  • vmstat
  • iostat
  • eBPF observability tools
  • systemd performance metrics
VPN Engineering
Design, deploy, and support secure VPN infrastructures using:
  • OpenVPN 2.6+
  • WireGuard
  • IPSec
Implement and support:
  • Site-to-site VPNs
  • Remote-access VPNs
  • Hub-and-spoke architectures
  • High-availability VPN clusters
  • Dynamic routing across VPN overlays
Responsibilities include:
  • Troubleshooting encryption, routing, MTU, and performance issues
  • Implementing modern cryptographic standards and VPN hardening best practices
Configuration Management & Automation
Develop and maintain Infrastructure-as-Code (IaC) solutions using SaltStack.
Create and maintain:
  • Salt States
  • Pillars
  • Custom modules
  • Orchestration workflows
Automate:
  • System provisioning
  • Configuration deployment
  • Compliance enforcement
  • VPN deployments
  • Security baseline management
Integrate SaltStack with CI/CD pipelines and infrastructure monitoring platforms.
Required Qualifications:
Current Top-Secret Clearance with SCI Eligibility
Technical Experience
  • 5+ years of Linux Systems Engineering experience
  • 3+ years of advanced Linux networking experience
  • 3+ years of VPN engineering experience
  • 3+ years of SaltStack administration and automation experience
Operating Systems
Strong hands-on experience with:
  • Debian Linux
  • Ubuntu Linux
Networking Expertise
Demonstrated expertise with:
  • Policy-Based Routing (PBR)
  • iproute2
  • Routing tables and policy rules
  • Linux bridges
  • Bonding and teaming
  • VLANs
  • VRFs
  • Network namespaces
  • Dynamic routing protocols
  • High-availability networking architectures
VPN Expertise
Strong practical experience with:
  • WireGuard
  • OpenVPN 2.6+
  • IPSec
  • PKI and certificate management
  • TLS authentication
  • Multi-site VPN topologies
  • VPN performance tuning
Automation & Scripting
Experience with:
  • SaltStack
  • Python
  • Bash
  • Git
  • CI/CD workflows

Preferred Qualifications
  • Experience supporting cloud platforms including:
    • Google Cloud Platform (GCP)
    • Amazon Web Services (AWS)
    • Microsoft Azure
  • Experience with container technologies:
    • Docker
    • Kubernetes
  • Experience supporting confidential computing environments
  • Knowledge of CNSA-compliant cryptographic implementations
  • Familiarity with eBPF-based observability and network diagnostics
  • Industry certifications such as:
    • RHCE
    • LFCE
    • CCNP
    • Equivalent advanced certifications

Desired Skills
  • Exceptional troubleshooting and root-cause analysis capabilities
  • Strong documentation and technical writing skills
  • Ability to operate independently in mission-critical environments
  • Experience designing highly available and fault-tolerant systems
  • Security-first mindset with strong infrastructure design principles
  • Excellent collaboration and communication skills

Salary & Benefits
The salary associated with this position ($99,000-$206,000) is commensurate with the selected candidate's qualifications, years of relevant experience, and demonstrated level of expertise. Compensation will be determined based on these factors to ensure alignment with skills, responsibilities, and market standards.
Nightwing offers medical, vision and dental insurance coverage in addition to a 401k plan, PTO, Holidays, and additional insurances.
Nightwing is An Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age or any other federally protected class.

Apply