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Establish a process to formally and proactively control and manage changes to requirements, consider impacts prior to commitment to change, gain stakeholder buy-in, eliminate ambiguity, ensure traceability to source requirements, and track and settle open actions. Skills You'll Bring: Manage system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) - Department of Defense Architecture Framework (DoDAF), Service-oriented Architecture (SOA), etc.

Bts Software Solutions, LLC

System Engineer III

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Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

YEAR

<p>Booz Allen is an advanced technology company. We build commercial-grade products and solutions for America’s most critical defense, civil, and national security priorities.</p>

Booz Allen Hamilton Inc

COMSEC Engineer, Senior

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Cloud Security Engineer

IA Engineer

Ignite Digital Services is hiring a Data Engineer to independently build and optimize scalable data pipelines and infrastructure in support of a large federal enterprise multi-domain data ecosystem. Nor will Ignite Digital Services require, in a posting or otherwise, U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.

ATLAS EXECUTIVE CONSULTING, LLC

Mid Data Engineer

Experience with Next-Gen Coding Agents: Proven track record of integrating advanced AI agents, specifically Claude Code or Google's Antigravity / Gemini agentic workflows, into your daily software engineering routine. Context & Workflow Management: Ability to guide AI agents through complex, multi-repository application architectures, managing context efficiently and critically auditing agent-generated code for security, performance, and architectural alignment.

Erias Ventures

Enterprise - Software Engineer - AI, REST, OOP

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Booz Allen Hamilton Inc.

Comsec Engineer, Mid

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Onsite : If this position is listed as onsite, work will primarily be performed full-time at a customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Booz Allen Hamilton

Platform DevOps Engineer, Senior

Bachelor's degree and 5+ years of experience patching Linux systems or installing applications on cloud infrastructure, or 9+ years of experience patching Linux systems or installing applications on cloud infrastructure in lieu of a degree. Support security compliance initiatives such as NIST, ISO 27001, FedRAMP, and SOC 2. Assist in building, testing, deploying and refining operational images used to build out computational instances.

Security And Operations Engineer

As a chief architect on our team, you'll translate your customer's IT needs and future goals into a plan by crafting architecture products and design specifications, leading prototyping efforts, and working directly with the customer to help transform the way the customer's organization uses technology to enable the delivery of new mission and enterprise-level capabilities. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.

Chief Engineer, Senior

October 29, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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

Cybersecurity Systems Engineer

As a Lead Systems Engineer – RF Systems, you will bring extensive engineering judgment to that challenge—helping ensure requirements remain traceable, interfaces are fully defined, technical risks are understood, system baselines remain controlled, engineering decisions consider lifecycle impacts, and solutions can be verified against mission requirements. You will collaborate with Government stakeholders, developers, engineers, program personnel, and senior leaders to resolve technical issues, evaluate alternatives, manage interfaces and requirements, and guide engineering activities supporting mission delivery.

Lead Systems Engineer - RF Systems

As part of this task order, Leidos will manage the commercial cloud migration and fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model. Identify and remediate misconfigurations, conflicting rules, security gaps, firewall and load balancer security issues, optimize rule-sets, and enhance the overall security posture and performance of Firewalls and Load Balancers.

Firewall Engineer

Compensation at Decision Technologies, Inc. is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. · Travel should be infrequent but include occasional trips to support government efforts at East and West Coast naval-centric areas like Norfolk, VA and San Diego, CA.

Decision Technologies

Senior Software Engineer

Provide senior-level technical expertise in the design, implementation, and sustainment of highly available, scalable, and secure data center and enterprise network environments, including spine-leaf topologies, virtualized environments, and fabric networks. Provide technical support and leadership for network modernization and data center consolidation initiatives, helping to develop implementation approaches and ensuring assigned activities meet established technical, budgetary, and schedule requirements.

Network Engineer

Manage and ensure the technical integrity of the system baseline over time, continually updating it as various changes are imposed on the system during the lifecycle from development through deployment and operations & maintenance (U) Support the planning and test analysis of the DoD Certification/Accreditation Process (as well as other Government Certification and Accreditation (C&A) processes). Establish a process to formally and proactively control and manage changes to requirements, consider impacts prior to commitment to change, gain stakeholder buy-in, eliminate ambiguity, ensure traceability to source requirements, and track and settle open actions.

Enterprise - Senior System Engineer - SOA, DoDAF, CCB

Skills and Experience You'll Bring: Perform technical analysis or malicious binaries through controlled execution and/or static analysis of assembly code, overcoming techniques designed to defeat analysis, in order to ascertain functionality, capability, call-backs, assist with attribution to adversary infrastructure, and identification of indicators of compromise. Education and Experience: Entry level positions require an Associate's degree plus 7 years of relevant experience, a Bachelor's degree and 5 years of relevant experience, or a Master's degree plus 3 years.

Reverse Engineer (Level II-IV)

A. Apogee has an exciting new opportunity for a highly skilled Systems Engineer (Tier 3) to provide support for the Executive Airlift Communications Network (EACN) support task order, which provides Command, Control, Communications (C3) services for multiple critical U.S. Government missions via multiple Air to Global Information Grid (GIG) Gateways (A2G2's) supported by a Systems Integration Lab (SIL). This role may expand to support additional aircraft and ground forces within the Mobility Air Forces (MAF) mission set, and includes ServiceNow development, incident response, and data analysis support for the 89th Airlift Wing''s Government Security Operations Center (GSOC).

Apogee Engineering LLC

Systems Engineer Tier 3

Support cybersecurity efforts throughout the RMF process to include the development and management of System Security documentation, Plans of Action and Milestones (POA&Ms), assessing and auditing systems security controls, and continuous monitoring of controls. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.

BAE Systems Plc

Cybersecurity Engineer

Apogee has an exciting new opportunity for an Information Assurance Engineer to provide support for the Executive Airlift Communications Network (EACN) support task order, which provides Command, Control, Communications (C3) services for multiple critical U.S. Government missions via multiple Air to Global Information Grid (GIG) Gateways (A2G2's) supported by a Systems Integration Lab (SIL). The successful candidate will conduct full lifecycle analysis of IT trends across SLC3S-A systems, leveraging a variety of network databases, and will serve as a key contributor to the Global Security Operations Center (GSOC), supporting incident monitoring, detection, response, and after-action reporting.

Certification Engineer Jobs in Arlington, VA

System Engineer III Bts Software Solutions, LLC

COMSEC Engineer, Senior Booz Allen Hamilton Inc

Cloud Security Engineer Booz Allen Hamilton Inc

IA Engineer Booz Allen Hamilton Inc

Mid Data Engineer ATLAS EXECUTIVE CONSULTING, LLC

Enterprise - Software Engineer - AI, REST, OOP Erias Ventures

Comsec Engineer, Mid Booz Allen Hamilton Inc.

Platform DevOps Engineer, Senior Booz Allen Hamilton

Security And Operations Engineer Booz Allen Hamilton Inc.

Chief Engineer, Senior Booz Allen Hamilton Inc.

Cybersecurity Systems Engineer Leidos

Lead Systems Engineer - RF Systems Leidos

Firewall Engineer Leidos

Senior Software Engineer Decision Technologies

Network Engineer Leidos

Enterprise - Senior System Engineer - SOA, DoDAF, CCB Erias Ventures

Reverse Engineer (Level II-IV) Bts Software Solutions, LLC

Systems Engineer Tier 3 Apogee Engineering LLC

Cybersecurity Engineer BAE Systems Plc

Information Assurance Engineer Apogee Engineering LLC

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