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Added 1 min ago
CI
Energy Data Acquisition Specialist (Hybrid or Remote)
California ISO
Remote, United States
- $41.25 to $57.75 USD / hour
Participates in the design, development and maintenance of standards according to requirements associated with telemetry and revenue metering, including Programmable Logic Controllers…
Added 2 mins ago
Java Full Stack Engineer - Professional
HEXAWARE
United States
We are seeking a hands-on Full Stack Engineer to join a team of 8 plus experienced full stack engineers, supporting both new development and ongoing maintenance of a critical, external…
Added 3 mins ago
Network Engineer I
GAMA-1 Technologies
Seattle, WA
The Network Engineer I will serve as a key technical resource for the Customer’s enterprise network, configuring, maintaining, and supporting the infrastructure that keeps network…
Added 4 mins ago
Industrial Engineer
Stratolaunch
Mojave, CA
To help achieve these efforts, Stratolaunch is seeking an Industrial Engineer who will play a key role in supporting manufacturing operations by optimizing processes and improving the…
Added 4 mins ago
L2/L3 Network Technical Support Engineer – Broadband
Inabia Software & Consulting Inc.
Redmond, WA
We are looking for L2/L3 Network Technical Support Engineer – Broadband
Added 5 mins ago
Senior Network Engineer
Grassi
Jericho, NY · Park Ridge, NJ · NY
We are seeking a hands-on Senior Network Engineer to design, secure, maintain, and optimize enterprise networks and Microsoft Azure environments. This role combines deep Cisco networking…
Added 6 mins ago
Lead Engineering Technologist (Air Operated Valve) - Brunswick Nuclear Plant
Duke Energy Progress, LLC
Southport, NC
The highest level of the non-Engineer degreed technical support role job classification is the Lead Technologist. This job is not part of a standard progression. The job requires a business…
Added 6 mins ago
Senior Engineer
Piedmont Natural Gas Company Inc
Charlotte, NC
Serve as Project Engineer and the primary technical point of contact for assigned natural gas facility projects.
Added 6 mins ago
Lead Engineer
Piedmont Natural Gas Company Inc
Charlotte, NC
Serve as Project Engineer and the primary technical point of contact for assigned natural gas facility projects.
Added 7 mins ago
Sr. Simulation & Analysis Engineers – Battery & Charger Development
TECHTRONIC CORDLESS GP
Brookfield, WI
Lead in identification, development, and maintenance of simulation tools for predicting battery pack performance, thermals, and failure modes.
Added 7 mins ago
AU
Mobile Technician
ABM US
Hillsboro, OR
- $35 USD / hour
We are seeking a skilled and dependable Mobile Building Technician to provide maintenance and repair support across a portfolio of financial services, corporate office, and administrative…
Added 8 mins ago
Lead Endpoint Engineer - MECM/SCCM
SHR Consulting Group, LLC
Arlington, VA
SHR Consulting Group is seeking a hands-on Lead Endpoint Engineer - MECM/SCCM to support DISA J-6/J-9. This position leads enterprise MECM operations and a team of MECM administrators…
Added 9 mins ago
Field Engineer I - Greenville, SC
GE Medical Systems Information Technologies, Inc.
Remote, United States
The Field Engineer I will perform preventative maintenance, installations, troubleshooting, and repairs on our life-changing medical equipment for one or more modalities within a hospital…
Added 10 mins ago
Associate Engineer
Element Materials Technology
Huntsville, AL
…shakers or fixtures, assemble basic mechanical setups with senior engineer supervision, discuss test procedure profiles, and tolerances with technicians, and accurately install…
Added 10 mins ago
Maintenance Engineer
Mayo Clinic
Mankato, MN · Mankato
The Maintenance Engineer performs the duties necessary to keep the physical structure and associated equipment of the facility in good repair. This includes but is not limited to…
Added 12 mins ago
Plant Maintenance Engineer I
Department of Administrative and Financial Services
Augusta, ME
This is structure and craft work involving the operation of a high-pressure steam generating plant; HVAC Equipment the maintenance and repair of boilers, water, heating, sewage, and…
Added 13 mins ago
Linux Systems Engineer
Roka Security
Sterling, VA
Roka Security is seeking a highly skilled Linux Systems Engineer to design, deploy, optimize, automate, and support large-scale Linux infrastructure supporting secure networking and…
Added 14 mins ago
CE
Maintenance Engineer - Facilities - Full Time - (Caesars Palace LV)
Caesars Entertainment
Las Vegas, NV
- Full-time
The Maintenance Engineer is responsible for maintaining the efficient operation, safety, and functionality of all building systems and equipment. This role performs timely repairs and…
Added 15 mins ago
Senior Maintenance Mechanic
Freeport Memorial Hospital
Freeport, IL
…the facility safe and running properly. Performs preventive maintenance, responds to repair needs, documents work, and communicates with staff while handling tasks such as plumbing,…
Added 15 mins ago
VDC Coordinator
Barry-Wehmiller
Raleigh, NC
Perform maintenance of CAD files in response to engineering changes
Added 16 mins ago
Software Development Engineer II, Leo Commerce Financial Systems and Data (Bestia, Triton, Lucid)
Amazon Kuiper Manufacturing Enterprises LLC
Redmond, WA
…millions of customers? We are looking for a Software Development Engineer II to join our team at Amazon and help design, build, and operate systems that solve real-world problems at scale.…
Added 17 mins ago
Electrical Technician - Engineer
EverPeak Recruitment
Camden, NY
Use Maintenance Management Systems (MMS) or MOTARS to track maintenance activities.
Added 17 mins ago
Automation Engineer - Burton Area
The Pivot Group Network
Burton · Burton, MI
Robotics Engineer, Process Automation Engineer, PLC Programmer, Maintenance Engineer, Systems Integration Engineer, Controls Engineer, Automation Technician, Manufacturing Engineer,…
Added 17 mins ago
Tool Room Supervisor - Detroit Area
The Pivot Group Network
Detroit · Detroit, MI
Tool and Die Supervisor, Tooling Manager, Tool Room Lead, Tool and Die Maker, Die Maintenance Supervisor, Tooling Engineer, Machine Shop Supervisor, Maintenance Supervisor, Tool Room Foreman
Added 17 mins ago
Reliability Engineer - Croswell Area
The Pivot Group Network
Croswell · Croswell, MI
Continuous Improvement Engineer, Maintenance Engineer, Asset Reliability Engineer, Plant Engineer, Reliability and Maintenance Engineer, Equipment Engineer, Manufacturing Engineer,…

Roka Security

Linux Systems Engineer

Sterling, VA, United States

The salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise.

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Job details

Pay: The salary associated with this position ($122,000-$253,000) is commensurate with the selected candidate’s qualifications, years of relevant experience, and demonstrated level of expertise.
Posting language: English
Posted: Nov 9, 2026

Original 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.

Roka Security 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, infrastructure automation, and modern VPN technologies including WireGuard, OpenVPN, and IPSec. The successful candidate will collaborate closely with engineering, systems administration, and platform engineering teams to deliver highly available, secure, and scalable infrastructure solutions in mission-critical environments.

KEY 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

Network Engineering:

Configure and troubleshoot OSPF and static routing, VLANs, LACP, 802.1Q trunking, network namespaces, VRFs, NAT and firewall policies
Analyze and troubleshoot network traffic using tcpdump, Wireshark, iproute2, nftables, and iptables
Design, deploy, and support secure VPN infrastructures using OpenVPN 2.6+, WireGuard, and IPSec
Troubleshoot encryption, routing, MTU, and performance issues while implementing modern cryptographic standards and VPN hardening best practices

Configuration Management & Automation:

Automate system provisioning, configuration deployment, compliance enforcement, VPN deployments, and security baseline management
Integrate SaltStack with CI/CD pipelines and infrastructure monitoring platforms

Collaboration and Documentation:

Collaborate with cross-functional teams to support project initiatives and resolve technical issues
Document system configurations, procedures, and troubleshooting steps for knowledge sharing and training purposes
Contribute to knowledge base articles and best practices documentation

REQUIRED QUALIFICATIONS

Current Active TS/SCI with ability to pass CI Polygraph

Education:

Associate or Bachelor's degree in Computer Science, Information Technology, or related field; OR equivalent combination of technical training and hands-on experience

Technical Skills:

Operating Systems: Strong hands-on experience with Debian and Ubuntu Linux
Networking: Experience with dynamic and static routing, VLANs, trunking, NAT and firewall policies
VPN: Experience with WireGuard, OpenVPN 2.6+, IPSec, PKI and certificate management.
Automation & Scripting: Experience with Bash, Git, and CI/CD workflows

Professional Skills:

Exceptional troubleshooting and root-cause analysis capabilities
Strong documentation and technical writing skills
Ability to operate independently in mission-critical environments
Security-first mindset with strong infrastructure design principles
Excellent collaboration and communication skills

PREFERRED QUALIFICATIONS

Experience supporting cloud platforms including Google Cloud Platform (GCP), Amazon Web Services (AWS), and Microsoft Azure
Experience with container technologies including Docker and Kubernetes
Experience supporting confidential computing environments
Industry certifications such as RHCE, LFCE, CCNP, or equivalent advanced certifications

COMPENSATION & BENEFITS

Competitive salary
Comprehensive health, dental, and vision insurance
401(k) with company match
PTO and paid holidays
Ongoing technical training and certification support

Salary & Benefits

The salary associated with this position ($122,000-$253,000) 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.

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More about this job

Skills

Linux
VPN
System administration
Red Hat Enterprise Linux
Troubleshoot
OSPF
Tcpdump
Wireshark
IpTables
Regulatory compliance
CI/CD
Troubleshooting
Documentation
Computer science
Computer technology
Ubuntu
Bash
Git
Root cause analysis
Technical writing
Design principles
Collaboration
Communication skills
Google Cloud
AWS
Microsoft Azure
Docker
Kubernetes
CCNP

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