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Added 1 min ago
Sr .NET Development Lead
Integral
Tysons Corner, VA
Coordinate with the Functional Architect, QA Lead, EISS Chief Engineer, shared platform team and dependent streams.
Added 1 min ago
Principal Data Engineer
Ochsner Clinic Foundation
New Orleans Region, LA
…multi-domain environments. Strong background in Infrastructure security, Role based access controls, data governance, and cross-system integration. Strong experience in developing and…
Added 2 mins ago
AI/ML Engineer - Revenue Cycle Automation-Remote
Mayo US
Rochester, MN
The AI/ML Engineer, a full-stack AI/ML architect for the Revenue Cycle pillar, responsible for both agentic solutions (UiPath Maestro, LLM orchestration, agent + bot + human-in-the-loop…
Added 2 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 2 mins ago
Systems Engineer- Federal
Esri
St. Louis, MO · Vienna, VA
Build and sustain enterprise technology supporting critical national security missions.
Added 2 mins ago
Systems Engineer- Federal
Esri
Vienna, VA
Build and sustain enterprise technology supporting critical national security missions.
Added 3 mins ago
Sr. Field Service Engineer
Rivian
Chelsea, MA · Shelton, CT · West Henrietta, NY · Clifton Park, NY · Hudson, NH
…for future generations. Role Summary The Sr. Field Service Engineer acts as the technical bridge between real-world vehicle usage and Rivian’s engineering and product development teams. You…
Added 3 mins ago
Industrial Engineer
Stratolaunch
Mojave, CA
…Mach 5, delivering critical data that helps customers validate system performance and advance technologies toward deployment. Our team brings together expertise in engineering,…
Added 4 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 5 mins ago
Software Test Engineer I
Werfen
Waukesha, WI
…delivering quality features and test assets that strengthen overall system…
Added 5 mins ago
Software Automation Test Engineer II
Werfen
Waukesha, WI
…high‑quality features and test assets that strengthen overall system…
Added 6 mins ago
Software Engineer III - Java / AI / Spark / SRE
JPMC page
Palo Alto, CA · Chicago, IL · Plano, TX · Tampa, FL
As a Software Engineer III at JPMorganChase within the Commercial and Investment Bank Payments Technology team, you are an integral part of an agile team that works to enhance, build, and…
Added 7 mins ago
RA
Staff Simulation Engineer, Physics Engineer
Rivian and Volkswagen Group Technologies
Irvine, CA
- $171,100 to $226,740 USD / year
…employment, social media/website, network/device, recruiting system usage/interaction, security and preference information. Rivian and Volkswagen Group Technologies may use your Candidate…
Added 7 mins ago
AU
Mobile Technician
ABM US
Hillsboro, OR
- $35 USD / hour
ABM participates in the U.S. Department of Homeland Security E-Verify program. E-Verify is an internet-based system used to electronically confirm employment eligibility.
Added 7 mins ago
BH
Senior CloudOps Engineer
Blooming Health
Remote, United States
- $165,000 to $190,000 USD / year
As our first US-based Senior CloudOps Engineer, you’ll own the path from merged code to production during US hours. You’ll improve deployment automation, strengthen security and compliance,…
Added 7 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
Senior Systems Engineer-WP-AFB 1
Serco USA
Wright-Patterson AFB, OH · Andrews AFB, MD · Langley AFB, VA · Aurora Buckley AFB, CO · Cannon AFB, NM · Columbus AFB, MS · Dyess AFB, TX · Edwards AFB, CA · Eglin AFB, FL · Eielson AFB, AK · Ellsworth AFB, SD · Fairchild AFB, WA · Glendale Luke AFB, AZ · Goodfellow AFB, TX · Grand Forks AFB, ND · Hanscom AFB, MA · Hill AFB, UT · Kirtland AFB, NM · Laughlin AFB, TX · Little Rock AFB, AR · Maslmstrom AFB, MT · Maxwell AFB-Gunter Annex, AL · McConnell AFB, KS · Minot AFB, ND · Moody AFB, GA · Mountain Home AFB, ID · Nellis AFB, NV · Offutt AFB, NE · Peterson AFB, CO · Robins AFB, GA · Schriever AFB, CO · Scott AFB, IL · Shaw AFB, SC · Sheppard AFB, TX · Tinker AFB, OK · Travis AFB, CA · Vandenberg AFB, CA · Warren AFB, WY · Whiteman AFB, MO
If you want to work on cutting-edge DoD programs, Serco has a great opportunity for you! As a Senior Anti-Tamper Engineer specializing in systems engineering and instruction, you will be…
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 10 mins ago
Cyber Infrastructure & Tooling Engineer
E-Infosol LLC
Chantilly, VA
E-INFOSOL LLC is seeking a motivated and results-driven Cyber Infrastructure & Tooling Engineer with 8 years of relevant professional experience to join our growing team.
Added 12 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 12 mins ago
Field Engineer: TISO
Nightwing Technologies, LLC
Sterling, VA
Nightwing is seeking a cleared and experienced Field Engineer: TISO in the Herndon area in support of USG. The right candidate must have and maintain a strong awareness of technical…
Added 12 mins ago
Senior Systems Integration Engineer - Secret
Parsons Government Services Inc.
Remote, United States
We are looking for a technically oriented Senior Systems Integration Engineer who is a subject matter expert in tactical applications, data delivery, Mission Command Systems, Army tactical…
Added 15 mins ago
Software Engineer
PGA Corporation
Frisco, TX
…infrastructure, and relational databases; strong knowledge of system design, scalability, reliability, performance, security, and maintainability; the ability to evaluate technical…
Added 17 mins ago
RF / RFIC Design Engineer
QUANTUM COMPUTING, INC.
Hoboken, NJ
…high-performance computing, artificial intelligence, cyber security as well as remote sensing…
Added 19 mins ago
A
CCSI Systems Senior Engineer
AlixPartners
NY
- $115,000 to $135,000 USD / year
The CCSI Systems Senior Engineer is a full-time role located in Southfield, MI, Chicago, IL, Dallas/Houston, TX, or New York, NY and reports to the Cloud Platform Delivery and Operations…

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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