UNKNOWN

ADAPTED_NOW

YEAR

Monitoring, Observability & Incident Response: Implement monitoring, logging, tracing, dashboards, and alerting across cloud infrastructure, Kubernetes, applications, and platform services using technologies such as AWS CloudWatch, Security Hub, GuardDuty, Splunk/ELK, Prometheus, Grafana, OpenTelemetry, or comparable solutions. Collaboration & Knowledge Sharing: Work closely with software engineers, AI engineers, cybersecurity teams, cloud engineers, architects, and mission stakeholders to integrate security, automation, and platform capabilities throughout the software development lifecycle.

Credence

AI Platform & DevSecOps Engineer

Credence Mgmt Solutions

Specifically, the candidate must have proven experience in FISMA, continuous monitoring, security assessment and authorization (ATO), control implementation and validation, vulnerability and configuration management, audit logging, cloud security, security documentation, POA&M management, and stakeholder coordination with Government cybersecurity personnel. The individual will lead Risk Management Framework (RMF) and Authority to Operate (ATO) activities, strengthen security controls across cloud and enterprise environments, support continuous monitoring, and ensure systems, artifacts, and processes align with Federal customer expectations and approved governance frameworks.

CALIBRE Systems, Inc. (CALIBRE) is an employee-owned management consulting and digital transformation company supporting government and industry. CALIBRE is committed to the success of our clients, and delivers enduring solutions that solve management, technology, and program challenges. CALIBRE is a leading provider of solutions serving clients in the public and private sectors - Defense, Federal / Civil and Commercial corporations. Our employees - operating from our Alexandria, Virginia headquarters, five regional offices across the U.S. and in two foreign countries - are committed to delivering high quality solutions. 
CALIBRE and its subsidiaries are an Equal Opportunity Employer and supports transitioning service members, veterans and individuals with disabilities. We offer a competitive salary and full benefits package. To be considered, please apply via our website at <a href="https://urldefense.com/v3/__http:/www.calibresys.com/__;!!D1XWH5In!Qkx82SYK92oKjJ7-Frwd6F0l0fYP5PYZB0F9SIM2mYfqkXijbHOeiSxf36SM6DfGX2nbkigGxcvTEcNqxqMyCsgPBQ$">www.calibresys.com</a>. Come join our dynamic team. #CALIBRECareers

Calibre Systems

Cybersecurity & Governance Engineer

Expertise in large-scale IP Networking & Testing with backbone routers (Juniper MX and Cisco ASR9K) running ISIS, BGP/MP-BGP (multi AS), MPLS routing protocols, switches and testing gear including traffic generators from IXIA, Spirent Test Center and Agilent N2X. These technologies include network devices (routers, switches, firewalls, and Intrusion Detection Systems (IDS), and services Authentication, Authorization and Accounting (AAA), Access Control List (ACL), secure remote access (i.e Secure shell, Secure VPN, IPSec), and IPv6 capable devices.

By Light Professional IT Services

IP Network Test Engineer

Ivy Exec

You will troubleshoot multi layer issues (cluster, networking, traffic policy, identity integration, observability flows) and help teams develop runbooks and operational routines rooted in service mesh and gateway best practices. At Tetrate, we work with leading enterprises—including major financial institutions and numerous multi-million-dollar customers—to solve complex application networking, security, and platform challenges.

Tetrate

Professional Services | Solutions Engineer

Accountable for infrastructure systems uptime, monitoring critical systems within tolerances, frequent building inspections while providing reliable service delivery to colocation customers. Contribute to minor repairs and light duty construction which includes physical structures, plumbing systems, wide range of HVAC equipment, and electrical distribution.

HOUR

Companies need talent. You want job opportunities.
That’s where we come in. We create meaningful connections between companies and candidates, and we’ve been doing it for over 65 years. Our national workforce solutions include contract, contract-to-hire, direct placement services, and managed services for a variety of industries.
We employ specialized recruiters focused in Engineering, Information Technology, Accounting & Finance, Administrative & Customer Service, and Manufacturing & Distribution.
When you need to find a job, we're your partner.

Nesco Resource, LLC

Building Engineer

nescoftpin

U.S. citizenship and the ability to obtain a TS/SCI clearance; experience supporting defense programs or working with RMF, NIST 800-53, STIGs, cloud security, or automated security scanning is preferred. Partner with software engineering, cybersecurity, and operations teams to troubleshoot deployment issues, integrate security controls, and continuously improve development and release processes.

Bringing the Best People and the Best Companies Together Since 1970.
Sparks Group (formerly SPARKS, Sparks IT Solutions, and Sparks Personnel) is the Washington DC Area's leading temporary staffing and full-time recruiting services provider. Whether you are seeking your next opportunity or looking to add talent, Sparks Group is the ideal partner for you! Each of our four divisions (Sparks Office, Sparks Accounting &amp; Finance, Sparks IT, and Sparks Creative) specializes in placing professionals in temporary/contract, temporary-to-full-time, and full-time roles across a diverse array of staffing categories, positions and levels including: office/administrative, customer service, human resources and talent acquisition, legal support, government and cleared personnel, mortgage/banking, accounting and finance, contracts and procurement, information technology and creative/marketing.
Sparks Group brings over four decades of experience placing professionals in challenging and rewarding positions at many of the area&rsquo;s most prestigious organizations. Our primary focus is presenting opportunities that match each candidate&rsquo;s skill-sets, experience levels, career objectives, and growth needs. Sparks Group has regularly ranked as one of the top US staffing and recruiting firms having been named to Inavero&rsquo;s Best of Staffing Lists&reg; for Client and Employee Satisfaction (2012-2017). Additionally, Sparks Group is proud to have been recently selected for other awards Staffing Industry Analysts&rsquo; 2017 Best Staffing Firms to Work For, Washington Business Journal Best Places to Work (2017), the Washington Post&rsquo;s Top Workplaces&reg; List (2017, 2014), Forbes&reg; Best Professional Recruiting Firms (2017), and the National Capital Business Ethics Award.

Sparks Group

DevSecOps Engineer

The Network Design Engineer will adhere to U.S. Army engineering processes during the development of all submissions; identify additional processes and documentation formats, as necessary submit site specific reports and drawings to Government for review and approval and adhere to the Government’s established process for reviewing, updating, approving, and disseminating Design and Engineering documents. The Design and Engineering Site Lead must be experienced and familiar with the design and configuration of Layer 2 and Layer 3 networks including spanning tree, software defined networking, VLANs, Virtual Network Identifiers (VNI)s, VXLANS, VRFs, Hostnames, OEM equipment from CISCO.

Network Design Engineer

FEED

Utilize RF spectrum engineering tools and databases , including the Technical Compatibility and Analysis Tool (TCAT) and Government Master File (GMF), to perform circle searches, transmitter/receiver analyses, Desired-to-Undesired (D/U) signal ratio calculations, and other RF compatibility assessments. • Conduct RF spectrum compatibility and interference analyses of C-UAS detection and mitigation systems, including frequency deconfliction, RF propagation, and geospatial analysis, to identify potential impacts to FAA and National Airspace System (NAS) communications, navigation, surveillance, and other safety-critical systems.

Everything we do is built on our commitment to do the right thing for our customers, our employees, and our communities. Learn more about the values and culture that are the foundations of our business.

Leidos

Junior Radio Frequency (RF) Engineer/Spectrum Engineer

Appcast Exclusive 1

We are seeking a Senior Telecommunications Design Engineer to support a secure federal communications environment responsible for maintaining and modernizing mission-critical telecommunications and data center infrastructure. The engineer will develop engineering documentation and infrastructure designs supporting secure voice, data, and communications systems within a high-availability environment.

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 
Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

System One

Telecommunications Design Engineer

Responsible for the deployment, maintenance, and configuration of UAM software solutions to detect and mitigate insider threats, ensuring system functionality, coverage, and user training across enterprise environments. Provide guidance on upgrades and system recapitalization, perform availability/capacity management and support all networking requirements and ensure full availability of all network switches and routers.

UAM Everfox Tool Engineer - Mid-level

Qualified candidates will have strong experience in AWS cloud architecture, hybrid infrastructure design, systems integration, secure networking, and federal security requirements. • Design and implement hybrid cloud architectures supporting migration from on-premises environments to AWS GovCloud.

Senior / Lead Systems Engineer (AWS Cloud Architecture)

UAM Everfox Tool Engineer - Senior Level

Build Landing Zone including AWS Organizations, SCPs, account vending, KMS, monitoring stack, and Infrastructure as Code (IaC). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Cloud Engineer - Secret Clearance Required

You’ll develop robust data pipelines, implement modern data lakehouse architectures, and collaborate across engineering, data science, and stakeholder teams to deliver secure, high-performance data capabilities that advance federal missions. Build and maintain ETL/ELT pipelines integrating structured, semi-structured, and unstructured data across AWS services such as S3, Glue, RDS, Redshift, Lambda, and related cloud data platforms.

AWS Databricks Engineer

Bachelor's degree in Systems Engineering, Computer Science, Software Engineering, Electrical Engineering or a related STEM discipline and 8-12 years of prior relevant experience or a Master’s with 6-10 years of prior relevant experience. Lead system performance assessments, troubleshoot complex issues across applications, infrastructure, interfaces, networks, and data flows, identify and mitigate technical risks, and drive solutions that ensure system reliability, mission effectiveness, and operational performance.

Sr. Systems Engineer

Provide hands-on operational support for Cisco UC and collaboration platforms, including Cisco Unified Communications Manager (CUCM). System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

Sr Unified Communications (UC) Engineer

5+ years of combined experience with Computer Network Operations (CNO)/ Computer Network Exploitation (CNE)/ Computer Network Defense (CND) platforms, cyber training, validation exercises, and working with cyber protection teams (CPTs), including planning, coordinating, and execution. The successful candidate possesses hands-on experience in both Windows and Linux systems, virtualized infrastructures, and cybersecurity tools, with the ability to develop, deploy, and troubleshoot complex training scenarios.

Cyber Range Engineer

Ability to perform many duties involving DevOps functions including, but not limited to, authoring and maintaining automation deployment and monitoring scripts, researching, implementing and maintaining Continuous Integration / Continuous Delivery (CI-CD) tools and processes, automating application deployments, managing virtualized and containerized assets, creating virtual and physical network configurations, servers, communications, and test and developer engineering support. Interact with developers to understand software changes that will impact development and testing activities, examine any relevant change implementation, then report the changes to developers and testers welcoming feedback for future improvements.

DevOps Engineer

Join a team where innovation meets mission, our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. Support day-to-day operation of AWS platform services, including monitoring, logging, access control, patching, backup, and configuration management.

Cloud Platform Engineer- Entry Level

Under mentorship from senior AI leaders, you’ll drive agentic AI development lifecycles and collaborate across engineering, data, and stakeholder teams to deliver high-impact, cloud-native AI capabilities that advance federal missions. Exposure to adjacent skillsets such as data engineering, data science, UI/UX, cloud engineering, and platform engineering to understand the entire software ecosystem.

Security Engineer Jobs in Mclean, VA

AI Platform & DevSecOps Engineer Credence

Cybersecurity & Governance Engineer Calibre Systems

IP Network Test Engineer By Light Professional IT Services

Professional Services | Solutions Engineer Tetrate

Building Engineer Nesco Resource, LLC

DevSecOps Engineer Sparks Group

Network Design Engineer By Light Professional IT Services

Junior Radio Frequency (RF) Engineer/Spectrum Engineer Leidos

Telecommunications Design Engineer System One

UAM Everfox Tool Engineer - Mid-level System One

Senior / Lead Systems Engineer (AWS Cloud Architecture) System One

UAM Everfox Tool Engineer - Senior Level System One

Cloud Engineer - Secret Clearance Required System One

AWS Databricks Engineer Credence

Sr. Systems Engineer System One

Sr Unified Communications (UC) Engineer System One

Cyber Range Engineer By Light Professional IT Services

DevOps Engineer By Light Professional IT Services

Cloud Platform Engineer- Entry Level Credence

AI Software Engineer Credence

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